Trial Outcomes & Findings for Preventing Drug Abuse Among Sexual Minority Youth (NCT NCT03954535)

NCT ID: NCT03954535

Last Updated: 2025-08-26

Results Overview

Participants will be asked to report the numbers of times they have used the substance in the past month.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

1216 participants

Primary outcome timeframe

an average of 5 months from study onset

Results posted on

2025-08-26

Participant Flow

Participant milestones

Participant milestones
Measure
Intervention
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Overall Study
STARTED
608
608
Overall Study
COMPLETED
574
602
Overall Study
NOT COMPLETED
34
6

Reasons for withdrawal

Withdrawal data not reported

Baseline Characteristics

Preventing Drug Abuse Among Sexual Minority Youth

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Intervention
n=602 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Control
n=606 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Total
n=1208 Participants
Total of all reporting groups
Age, Categorical
<=18 years
602 Participants
n=99 Participants
606 Participants
n=107 Participants
1208 Participants
n=206 Participants
Age, Categorical
Between 18 and 65 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Categorical
>=65 years
0 Participants
n=99 Participants
0 Participants
n=107 Participants
0 Participants
n=206 Participants
Age, Continuous
16.15 years
STANDARD_DEVIATION 0.57 • n=99 Participants
16.16 years
STANDARD_DEVIATION 0.56 • n=107 Participants
16.16 years
STANDARD_DEVIATION 0.56 • n=206 Participants
Sex/Gender, Customized
Gender Identity · Female
339 Participants
n=99 Participants
331 Participants
n=107 Participants
670 Participants
n=206 Participants
Sex/Gender, Customized
Gender Identity · Male
107 Participants
n=99 Participants
113 Participants
n=107 Participants
220 Participants
n=206 Participants
Sex/Gender, Customized
Gender Identity · Transgender
28 Participants
n=99 Participants
32 Participants
n=107 Participants
60 Participants
n=206 Participants
Sex/Gender, Customized
Gender Identity · Non-binary
74 Participants
n=99 Participants
73 Participants
n=107 Participants
147 Participants
n=206 Participants
Sex/Gender, Customized
Gender Identity · Gender fluid
24 Participants
n=99 Participants
18 Participants
n=107 Participants
42 Participants
n=206 Participants
Sex/Gender, Customized
Gender Identity · Not sure
30 Participants
n=99 Participants
39 Participants
n=107 Participants
69 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
115 Participants
n=99 Participants
112 Participants
n=107 Participants
227 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
482 Participants
n=99 Participants
492 Participants
n=107 Participants
974 Participants
n=206 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
5 Participants
n=99 Participants
2 Participants
n=107 Participants
7 Participants
n=206 Participants
Race (NIH/OMB)
American Indian or Alaska Native
6 Participants
n=99 Participants
10 Participants
n=107 Participants
16 Participants
n=206 Participants
Race (NIH/OMB)
Asian
43 Participants
n=99 Participants
34 Participants
n=107 Participants
77 Participants
n=206 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
5 Participants
n=99 Participants
5 Participants
n=107 Participants
10 Participants
n=206 Participants
Race (NIH/OMB)
Black or African American
39 Participants
n=99 Participants
56 Participants
n=107 Participants
95 Participants
n=206 Participants
Race (NIH/OMB)
White
341 Participants
n=99 Participants
373 Participants
n=107 Participants
714 Participants
n=206 Participants
Race (NIH/OMB)
More than one race
163 Participants
n=99 Participants
126 Participants
n=107 Participants
289 Participants
n=206 Participants
Race (NIH/OMB)
Unknown or Not Reported
5 Participants
n=99 Participants
2 Participants
n=107 Participants
7 Participants
n=206 Participants
Region of Enrollment
United States
602 Participants
n=99 Participants
606 Participants
n=107 Participants
1208 Participants
n=206 Participants

PRIMARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=605 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Drank Alcohol in the Past Month
0.83 number of times
Standard Deviation 2.12
1.03 number of times
Standard Deviation 2.26

PRIMARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=570 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=603 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Drank Alcohol in the Past Month
1.22 number of times
Standard Deviation 2.49
1.37 number of times
Standard Deviation 2.64

PRIMARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=566 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=596 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Drank Alcohol in the Past Month
1.93 number of times
Standard Deviation 3.91
2.30 number of times
Standard Deviation 4.74

PRIMARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=572 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=598 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Drank Alcohol in the Past Month
2.49 number of times
Standard Deviation 4.86
2.67 number of times
Standard Deviation 5.72

PRIMARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=604 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Binge Drank in the Past Month
0.18 number of times
Standard Deviation 0.88
0.25 number of times
Standard Deviation 0.97

PRIMARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=570 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=602 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Binge Drank in the Past Month
0.35 number of times
Standard Deviation 1.05
0.32 number of times
Standard Deviation 0.97

PRIMARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=569 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=595 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Binge Drank in the Past Month
0.50 number of times
Standard Deviation 1.38
0.59 number of times
Standard Deviation 1.60

PRIMARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=571 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=597 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Binge Drank in the Past Month
0.65 number of times
Standard Deviation 1.64
0.78 number of times
Standard Deviation 2.41

PRIMARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=605 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Smoked Cigarettes in the Past Month
0.31 number of times
Standard Deviation 3.23
0.39 number of times
Standard Deviation 4.29

PRIMARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=570 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=602 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Smoked Cigarettes in the Past Month
0.50 number of times
Standard Deviation 4.11
0.48 number of times
Standard Deviation 3.74

PRIMARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=569 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=596 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Smoked Cigarettes in the Past Month
0.70 number of times
Standard Deviation 5.23
0.79 number of times
Standard Deviation 5.67

PRIMARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year-follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=572 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=597 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Smoked Cigarettes in the Past Month
0.76 number of times
Standard Deviation 5.27
1.05 number of times
Standard Deviation 6.61

PRIMARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=565 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=604 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Smoked Marijuana in the Past Month
2.43 number of times
Standard Deviation 10.23
1.89 number of times
Standard Deviation 7.54

PRIMARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=599 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Smoked Marijuana in the Past Month
4.64 number of times
Standard Deviation 13.67
3.71 number of times
Standard Deviation 12.03

PRIMARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=564 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=595 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Smoked Marijuana in the Past Month
7.12 number of times
Standard Deviation 17.53
7.04 number of times
Standard Deviation 17.07

PRIMARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=593 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Smoked Marijuana in the Past Month
8.53 number of times
Standard Deviation 17.99
8.54 number of times
Standard Deviation 17.97

PRIMARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=566 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=604 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Vaped Any Substance in the Past Month
3.09 number of times
Standard Deviation 11.69
2.95 number of times
Standard Deviation 11.24

PRIMARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=596 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Vaped Any Substance in the Past Month
6.60 number of times
Standard Deviation 17.47
5.80 number of times
Standard Deviation 16.13

PRIMARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=566 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=594 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Vaped Any Substance in the Past Month
9.23 number of times
Standard Deviation 20.68
9.87 number of times
Standard Deviation 21.33

PRIMARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=594 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Vaped Any Substance in the Past Month
11.99 number of times
Standard Deviation 23.28
11.11 number of times
Standard Deviation 22.32

PRIMARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=565 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=604 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Used Hard Drugs in the Past Month
0.65 number of times
Standard Deviation 3.63
0.71 number of times
Standard Deviation 4.35

PRIMARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=599 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Used Hard Drugs in the Past Month
0.58 number of times
Standard Deviation 3.92
0.60 number of times
Standard Deviation 3.84

PRIMARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=564 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=598 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Used Hard Drugs in the Past Month
0.45 number of times
Standard Deviation 2.67
0.61 number of times
Standard Deviation 4.34

PRIMARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

Participants will be asked to report the numbers of times they have used the substance in the past month.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=593 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Average Number of Times Youth Used Hard Drugs in the Past Month
0.34 number of times
Standard Deviation 1.92
0.62 number of times
Standard Deviation 3.65

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The goal setting scale is a 5-item measure assessing the degree to which youth set and work on goals. All items are averaged to yield a total score that ranges from 0 = low goal setting to 3 = higher goal setting; higher scores indicate a better outcome. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=603 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Goal Setting
2.38 score on a scale
Standard Deviation 0.60
2.34 score on a scale
Standard Deviation 0.62

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The goal setting scale is a 5-item measure assessing the degree to which youth set and work on goals. All items are averaged to yield a total score that ranges from 0 = low goal setting to 3 = higher goal setting; higher scores indicate a better outcome. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=602 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Goal Setting
2.39 score on a scale
Standard Deviation 0.63
2.36 score on a scale
Standard Deviation 0.61

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The goal setting scale is a 5-item measure assessing the degree to which youth set and work on goals. All items are averaged to yield a total score that ranges from 0 = low goal setting to 3 = higher goal setting; higher scores indicate a better outcome. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=595 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Goal Setting
2.47 score on a scale
Standard Deviation 0.63
2.39 score on a scale
Standard Deviation 0.63

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The goal setting scale is a 5-item measure assessing the degree to which youth set and work on goals. All items are averaged to yield a total score that ranges from 0 = low goal setting to 3 = higher goal setting; higher scores indicate a better outcome. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=569 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=596 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Goal Setting
2.57 score on a scale
Standard Deviation 0.65
2.49 score on a scale
Standard Deviation 0.62

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The problem solving scale is an 8-item measure assessing the degree to which youth employ skills to solve problems. All items are averaged to yield a total score that ranges from 1 = high problem solving to 4 = low problem solving; lower scores indicate a better outcome. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=556 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=591 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Problem Solving
2.06 score on a scale
Standard Deviation 0.40
2.12 score on a scale
Standard Deviation 0.43

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The problem solving scale is an 8-item measure assessing the degree to which youth employ skills to solve problems. All items are averaged to yield a total score that ranges from 1 = high problem solving to 4 = low problem solving; lower scores indicate a better outcome. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=559 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=587 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Problem Solving
2.06 score on a scale
Standard Deviation 0.42
2.10 score on a scale
Standard Deviation 0.42

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The problem solving scale is an 8-item measure assessing the degree to which youth employ skills to solve problems. All items are averaged to yield a total score that ranges from 1 = high problem solving to 4 = low problem solving; lower scores indicate a better outcome. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=564 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=584 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Problem Solving
2.03 score on a scale
Standard Deviation 0.40
2.08 score on a scale
Standard Deviation 0.43

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The problem solving scale is an 8-item measure assessing the degree to which youth employ skills to solve problems. All items are averaged to yield a total score that ranges from 1 = high problem solving to 4 = low problem solving; lower scores indicate a better outcome. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=562 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=581 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Problem Solving
1.99 score on a scale
Standard Deviation 0.39
2.03 score on a scale
Standard Deviation 0.39

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The self-esteem scale is a 10-item measure assessing youths' feelings of self-worth and value. All items are averaged to yield a total score that ranges from 1 = higher self-esteem to 4 = lower self-esteem; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=551 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=588 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Self-Esteem
2.63 score on a scale
Standard Deviation 0.57
2.73 score on a scale
Standard Deviation 0.56

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The self-esteem scale is a 10-item measure assessing youths' feelings of self-worth and value. All items are averaged to yield a total score that ranges from 1 = higher self-esteem to 4 = lower self-esteem; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=553 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=582 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Self-Esteem
2.56 score on a scale
Standard Deviation 0.57
2.63 score on a scale
Standard Deviation 0.57

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The self-esteem scale is a 10-item measure assessing youths' feelings of self-worth and value. All items are averaged to yield a total score that ranges from 1 = higher self-esteem to 4 = lower self-esteem; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=556 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=581 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Self-Esteem
2.49 score on a scale
Standard Deviation 0.54
2.52 score on a scale
Standard Deviation 0.58

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The self-esteem scale is a 10-item measure assessing youths' feelings of self-worth and value. All items are averaged to yield a total score that ranges from 1 = higher self-esteem to 4 = lower self-esteem; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=559 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=577 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Self-Esteem
2.37 score on a scale
Standard Deviation 0.57
2.42 score on a scale
Standard Deviation 0.61

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The perceived stress scale is an 8-item measure assessing the degree to which youth feel overwhelmed by stress. All items are averaged to yield a total score that ranges from 0 = low perceived stress to 5 = high perceived stress; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=566 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=604 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Perceived Stress
3.21 score on a scale
Standard Deviation 0.66
3.39 score on a scale
Standard Deviation 0.62

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The perceived stress scale is an 8-item measure assessing the degree to which youth feel overwhelmed by stress. All items are averaged to yield a total score that ranges from 0 = low perceived stress to 5 = high perceived stress; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=569 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=601 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Perceived Stress
3.19 score on a scale
Standard Deviation 0.65
3.30 score on a scale
Standard Deviation 0.64

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The perceived stress scale is an 8-item measure assessing the degree to which youth feel overwhelmed by stress. All items are averaged to yield a total score that ranges from 0 = low perceived stress to 5 = high perceived stress; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=596 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Perceived Stress
3.13 score on a scale
Standard Deviation 0.63
3.19 score on a scale
Standard Deviation 0.66

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The perceived stress scale is an 8-item measure assessing the degree to which youth feel overwhelmed by stress. All items are averaged to yield a total score that ranges from 0 = low perceived stress to 5 = high perceived stress; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=569 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=595 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Perceived Stress
3.03 score on a scale
Standard Deviation 0.63
3.14 score on a scale
Standard Deviation 0.65

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The coping scale is a 6-item measure assessing the degree to which youth feel they can manage the difficulties in their life. All items are averaged to yield a total score that ranges from 0 = high coping skills to 3 = poor coping skills; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=563 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=603 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Coping
2.77 score on a scale
Standard Deviation 0.45
2.67 score on a scale
Standard Deviation 0.45

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The coping scale is a 6-item measure assessing the degree to which youth feel they can manage the difficulties in their life. All items are averaged to yield a total score that ranges from 0 = high coping skills to 3 = poor coping skills; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=570 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=600 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Coping
2.75 score on a scale
Standard Deviation 0.45
2.70 score on a scale
Standard Deviation 0.47

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The coping scale is a 6-item measure assessing the degree to which youth feel they can manage the difficulties in their life. All items are averaged to yield a total score that ranges from 0 = high coping skills to 3 = poor coping skills; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=565 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=596 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Coping
2.79 score on a scale
Standard Deviation 0.48
2.74 score on a scale
Standard Deviation 0.47

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The coping scale is a 6-item measure assessing the degree to which youth feel they can manage the difficulties in their life. All items are averaged to yield a total score that ranges from 0 = high coping skills to 3 = poor coping skills; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=598 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Coping
2.87 score on a scale
Standard Deviation 0.48
2.78 score on a scale
Standard Deviation 0.47

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The peer drug use scale is a 7-item measuring that asks youth to indicate the number of close friends who have used various substances in the past month. All items are averaged to yield a total score that ranges from 0 = no peer use to 3 = all peers use; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=562 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=596 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Peer Drug Use
0.41 score on a scale
Standard Deviation 0.47
0.40 score on a scale
Standard Deviation 0.41

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The peer drug use scale is a 7-item measuring that asks youth to indicate the number of close friends who have used various substances in the past month. All items are averaged to yield a total score that ranges from 0 = no peer use to 3 = all peers use; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=597 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Peer Drug Use
0.51 score on a scale
Standard Deviation 0.49
0.54 score on a scale
Standard Deviation 0.48

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The peer drug use scale is a 7-item measuring that asks youth to indicate the number of close friends who have used various substances in the past month. All items are averaged to yield a total score that ranges from 0 = no peer use to 3 = all peers use; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=564 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=592 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Peer Drug Use
0.64 score on a scale
Standard Deviation 0.51
0.66 score on a scale
Standard Deviation 0.52

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The peer drug use scale is a 7-item measuring that asks youth to indicate the number of close friends who have used various substances in the past month. All items are averaged to yield a total score that ranges from 0 = no peer use to 3 = all peers use; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=570 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=589 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Peer Drug Use
0.74 score on a scale
Standard Deviation 0.50
0.77 score on a scale
Standard Deviation 0.53

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The self-efficacy scale is a 7-item measuring youths' perceived ability to handle difficult life situations. All items are averaged to yield a total score that ranges from 0 = high self-efficacy to 4 = low self-efficacy; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=556 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=585 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Self-Efficacy
2.27 score on a scale
Standard Deviation 0.51
2.38 score on a scale
Standard Deviation 0.51

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The self-efficacy scale is a 7-item measuring youths' perceived ability to handle difficult life situations. All items are averaged to yield a total score that ranges from 0 = high self-efficacy to 4 = low self-efficacy; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=556 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=586 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Self-Efficacy
2.25 score on a scale
Standard Deviation 0.48
2.36 score on a scale
Standard Deviation 0.52

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The self-efficacy scale is a 7-item measuring youths' perceived ability to handle difficult life situations. All items are averaged to yield a total score that ranges from 0 = high self-efficacy to 4 = low self-efficacy; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=561 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=589 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Self-Efficacy
2.22 score on a scale
Standard Deviation 0.47
2.26 score on a scale
Standard Deviation 0.52

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The self-efficacy scale is a 7-item measuring youths' perceived ability to handle difficult life situations. All items are averaged to yield a total score that ranges from 0 = high self-efficacy to 4 = low self-efficacy; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=560 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=588 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Self-Efficacy
2.13 score on a scale
Standard Deviation 0.49
2.19 score on a scale
Standard Deviation 0.50

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The drug refusal scale is a 15-item measure assessing the likelihood of youth using various refusal strategies when offered to use alcohol, cigarettes, or marijuana. All items are averaged to yield a total score that ranges from 1 = high refusal skills to 5 = poor refusal skills; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=566 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=601 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Drug Refusal Skills
1.91 score on a scale
Standard Deviation 0.61
2.04 score on a scale
Standard Deviation 0.65

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The drug refusal scale is a 15-item measure assessing the likelihood of youth using various refusal strategies when offered to use alcohol, cigarettes, or marijuana. All items are averaged to yield a total score that ranges from 1 = high refusal skills to 5 = poor refusal skills; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=569 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=600 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Drug Refusal Skills
1.96 score on a scale
Standard Deviation 0.63
2.01 score on a scale
Standard Deviation 0.62

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The drug refusal scale is a 15-item measure assessing the likelihood of youth using various refusal strategies when offered to use alcohol, cigarettes, or marijuana. All items are averaged to yield a total score that ranges from 1 = high refusal skills to 5 = poor refusal skills; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=594 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Drug Refusal Skills
1.96 score on a scale
Standard Deviation 0.65
2.01 score on a scale
Standard Deviation 0.61

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The drug refusal scale is a 15-item measure assessing the likelihood of youth using various refusal strategies when offered to use alcohol, cigarettes, or marijuana. All items are averaged to yield a total score that ranges from 1 = high refusal skills to 5 = poor refusal skills; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=569 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=593 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Drug Refusal Skills
1.98 score on a scale
Standard Deviation 0.64
2.05 score on a scale
Standard Deviation 0.63

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The assertiveness scale is a 3-item measure assessing how well youth believe they assert themselves. All items are averaged to yield a total score that ranges from 1 = low assertiveness to 5 = high assertiveness; higher scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=603 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Assertiveness
2.83 score on a scale
Standard Deviation 1.12
2.77 score on a scale
Standard Deviation 1.11

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The assertiveness scale is a 3-item measure assessing how well youth believe they assert themselves. All items are averaged to yield a total score that ranges from 1 = low assertiveness to 5 = high assertiveness; higher scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=603 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Assertiveness
2.92 score on a scale
Standard Deviation 1.09
2.80 score on a scale
Standard Deviation 1.11

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The assertiveness scale is a 3-item measure assessing how well youth believe they assert themselves. All items are averaged to yield a total score that ranges from 1 = low assertiveness to 5 = high assertiveness; higher scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=597 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Assertiveness
2.92 score on a scale
Standard Deviation 1.08
2.93 score on a scale
Standard Deviation 1.11

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The assertiveness scale is a 3-item measure assessing how well youth believe they assert themselves. All items are averaged to yield a total score that ranges from 1 = low assertiveness to 5 = high assertiveness; higher scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=570 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=598 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Assertiveness
2.97 score on a scale
Standard Deviation 1.07
2.93 score on a scale
Standard Deviation 1.10

SECONDARY outcome

Timeframe: an average of 5 months from study onset

Population: The analyzed population reflects only those participants who completed the assessment at approx. 5 months after baseline.

The consequences of substance use scale is a 13-item measure assessing how often youths' substance use has caused them trouble with the law, family, friends, and academics. All items are averaged to yield a total score that ranges from 0 = zero times to 10 = ten or more times; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=604 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Consequences of Substance Use
0.08 score on a scale
Standard Deviation 0.24
0.13 score on a scale
Standard Deviation 0.41

SECONDARY outcome

Timeframe: 1-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 1-year follow-up.

The consequences of substance use scale is a 13-item measure assessing how often youths' substance use has caused them trouble with the law, family, friends, and academics. All items are averaged to yield a total score that ranges from 0 = zero times to 10 = ten or more times; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=567 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=602 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Consequences of Substance Use
0.12 score on a scale
Standard Deviation 0.33
0.13 score on a scale
Standard Deviation 0.35

SECONDARY outcome

Timeframe: 2-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 2-year follow-up.

The consequences of substance use scale is a 13-item measure assessing how often youths' substance use has caused them trouble with the law, family, friends, and academics. All items are averaged to yield a total score that ranges from 0 = zero times to 10 = ten or more times; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=568 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=596 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Consequences of Substance Use
0.13 score on a scale
Standard Deviation 0.35
0.14 score on a scale
Standard Deviation 0.40

SECONDARY outcome

Timeframe: 3-year follow-up

Population: The analyzed population reflects only those participants who completed the assessment at 3-year follow-up.

The consequences of substance use scale is a 13-item measure assessing how often youths' substance use has caused them trouble with the law, family, friends, and academics. All items are averaged to yield a total score that ranges from 0 = zero times to 10 = ten or more times; lower scores indicate better outcomes. The mean total score for all participants in each arm will be calculated and reported.

Outcome measures

Outcome measures
Measure
Intervention
n=569 Participants
9 sessions and website with entertainment features and resources Free2b: The intervention will consist of a website and 9 sessions. The intervention sessions will facilitate youths' acquisition of personal and social cognitive-behavioral skills. The intervention will focus on goal setting, decision making, enhancing self-worth, coping with stress, combating distorted thinking, communication skills, using alcohol and other drugs and a review session. Each session will require approximately 20 minutes and must be finished in a single sitting. Sessions will be delivered on a weekly basis. The website will include entertainment features and resources.
Attention-Placebo Control
n=594 Participants
website with entertainment features and resources Attention-Placebo: Access to the website with entertainment features and resources - but no session content.
Mean Scores for Consequences of Substance Use
0.15 score on a scale
Standard Deviation 0.40
0.13 score on a scale
Standard Deviation 0.34

Adverse Events

Intervention

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Attention-Placebo Control

Serious events: 0 serious events
Other events: 0 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Adverse event data not reported

Additional Information

Dr. Traci Schwinn

Columbia University School of Social Work

Phone: 212-851-2280

Results disclosure agreements

  • Principal investigator is a sponsor employee
  • Publication restrictions are in place