Trial Outcomes & Findings for Early Phase Clinical Trial to Test the Feasibility of an ACT-based Physical Activity Promotion Program for Adults With Depressive Symptoms (NCT NCT05407935)

NCT ID: NCT05407935

Last Updated: 2026-09-03

Results Overview

Minutes of physical activity weighted by intensity, expressed in metabolic equivalent (MET) minutes per week as determined by accelerometers (Actigraph \[model wGT3x-BT\]) worn during one-week periods.

Recruitment status

COMPLETED

Study phase

NA

Target enrollment

75 participants

Primary outcome timeframe

Baseline; Post-Treatment (week 8); Month 6 (week 26)

Results posted on

2026-09-03

Participant Flow

Participants who were randomized into the study were counted as enrolled.

Participant milestones

Participant milestones
Measure
Phase 1 ACTivity Group
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Baseline
STARTED
15
13
24
23
Baseline
COMPLETED
15
13
24
23
Baseline
NOT COMPLETED
0
0
0
0
Mid-Treatment (week 4)
STARTED
15
13
24
23
Mid-Treatment (week 4)
COMPLETED
14
12
24
23
Mid-Treatment (week 4)
NOT COMPLETED
1
1
0
0
Post-Treatment (week 8)
STARTED
14
12
24
23
Post-Treatment (week 8)
COMPLETED
14
10
24
22
Post-Treatment (week 8)
NOT COMPLETED
0
2
0
1
Month 3 (week 12)
STARTED
14
10
24
22
Month 3 (week 12)
COMPLETED
14
10
23
22
Month 3 (week 12)
NOT COMPLETED
0
0
1
0
Month 6 (week 26)
STARTED
14
10
23
22
Month 6 (week 26)
COMPLETED
11
9
21
21
Month 6 (week 26)
NOT COMPLETED
3
1
2
1

Reasons for withdrawal

Reasons for withdrawal
Measure
Phase 1 ACTivity Group
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Mid-Treatment (week 4)
Withdrawal by Subject
1
1
0
0
Post-Treatment (week 8)
Withdrawal by Subject
0
2
0
1
Month 3 (week 12)
Withdrawal by Subject
0
0
1
0
Month 6 (week 26)
Lost to Follow-up
3
1
2
1

Baseline Characteristics

Early Phase Clinical Trial to Test the Feasibility of an ACT-based Physical Activity Promotion Program for Adults With Depressive Symptoms

Baseline characteristics by cohort

Baseline characteristics by cohort
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Total
n=75 Participants
Total of all reporting groups
Age, Continuous
43.13 Years
STANDARD_DEVIATION 12.65 • n=136 Participants
48.77 Years
STANDARD_DEVIATION 10.88 • n=136 Participants
45.83 Years
STANDARD_DEVIATION 9.30 • n=272 Participants
44.17 Years
STANDARD_DEVIATION 9.80 • n=60 Participants
45.29 Years
STANDARD_DEVIATION 10.42 • n=58 Participants
Sex/Gender, Customized
Gender · Male
2 Participants
n=136 Participants
0 Participants
n=136 Participants
3 Participants
n=272 Participants
0 Participants
n=60 Participants
5 Participants
n=58 Participants
Sex/Gender, Customized
Gender · Female
13 Participants
n=136 Participants
13 Participants
n=136 Participants
19 Participants
n=272 Participants
22 Participants
n=60 Participants
67 Participants
n=58 Participants
Sex/Gender, Customized
Gender · Other
0 Participants
n=136 Participants
0 Participants
n=136 Participants
2 Participants
n=272 Participants
1 Participants
n=60 Participants
3 Participants
n=58 Participants
Race (NIH/OMB)
American Indian or Alaska Native
0 Participants
n=136 Participants
0 Participants
n=136 Participants
0 Participants
n=272 Participants
0 Participants
n=60 Participants
0 Participants
n=58 Participants
Race (NIH/OMB)
Asian
1 Participants
n=136 Participants
0 Participants
n=136 Participants
1 Participants
n=272 Participants
1 Participants
n=60 Participants
3 Participants
n=58 Participants
Race (NIH/OMB)
Native Hawaiian or Other Pacific Islander
0 Participants
n=136 Participants
0 Participants
n=136 Participants
0 Participants
n=272 Participants
0 Participants
n=60 Participants
0 Participants
n=58 Participants
Race (NIH/OMB)
Black or African American
0 Participants
n=136 Participants
0 Participants
n=136 Participants
3 Participants
n=272 Participants
0 Participants
n=60 Participants
3 Participants
n=58 Participants
Race (NIH/OMB)
White
13 Participants
n=136 Participants
12 Participants
n=136 Participants
19 Participants
n=272 Participants
20 Participants
n=60 Participants
64 Participants
n=58 Participants
Race (NIH/OMB)
More than one race
0 Participants
n=136 Participants
1 Participants
n=136 Participants
1 Participants
n=272 Participants
1 Participants
n=60 Participants
3 Participants
n=58 Participants
Race (NIH/OMB)
Unknown or Not Reported
1 Participants
n=136 Participants
0 Participants
n=136 Participants
0 Participants
n=272 Participants
1 Participants
n=60 Participants
2 Participants
n=58 Participants
Ethnicity (NIH/OMB)
Hispanic or Latino
1 Participants
n=136 Participants
0 Participants
n=136 Participants
1 Participants
n=272 Participants
0 Participants
n=60 Participants
2 Participants
n=58 Participants
Ethnicity (NIH/OMB)
Not Hispanic or Latino
14 Participants
n=136 Participants
13 Participants
n=136 Participants
23 Participants
n=272 Participants
23 Participants
n=60 Participants
73 Participants
n=58 Participants
Ethnicity (NIH/OMB)
Unknown or Not Reported
0 Participants
n=136 Participants
0 Participants
n=136 Participants
0 Participants
n=272 Participants
0 Participants
n=60 Participants
0 Participants
n=58 Participants

PRIMARY outcome

Timeframe: Baseline; Post-Treatment (week 8); Month 6 (week 26)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Minutes of physical activity weighted by intensity, expressed in metabolic equivalent (MET) minutes per week as determined by accelerometers (Actigraph \[model wGT3x-BT\]) worn during one-week periods.

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Accelerometry
Month 6 (week 26)
160.25 Minutes per week of MVPA
Standard Deviation 336.03
48.89 Minutes per week of MVPA
Standard Deviation 72.48
46.16 Minutes per week of MVPA
Standard Deviation 71.78
17.50 Minutes per week of MVPA
Standard Deviation 38.05
Accelerometry
Baseline
38.07 Minutes per week of MVPA
Standard Deviation 46.89
7.54 Minutes per week of MVPA
Standard Deviation 18.46
31.92 Minutes per week of MVPA
Standard Deviation 47.45
37.52 Minutes per week of MVPA
Standard Deviation 56.78
Accelerometry
Post-Treatment (week 8)
114.36 Minutes per week of MVPA
Standard Deviation 186.82
33.00 Minutes per week of MVPA
Standard Deviation 31.92
58.00 Minutes per week of MVPA
Standard Deviation 65.33
39.43 Minutes per week of MVPA
Standard Deviation 54.33

SECONDARY outcome

Timeframe: Baseline; Mid-Treatment (week 4); Post-Treatment (week 8); Month 3 (week 12); Month 6 (week 26)

Population: The number analyzed in one or more rows differs from overall number analyzed because some participants failed to complete follow-up assessments.

Self-reported minutes of leisure time physical activity per week weighted by intensity.

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Self-report Physical Activity (Godin)
Mid-Treatment (week 4)
161.15 Minutes per week of MVPA
Standard Deviation 140.21
157.27 Minutes per week of MVPA
Standard Deviation 148.20
113.48 Minutes per week of MVPA
Standard Deviation 87.95
156.36 Minutes per week of MVPA
Standard Deviation 155.99
Self-report Physical Activity (Godin)
Month 6 (week 26)
187.73 Minutes per week of MVPA
Standard Deviation 307.99
111.67 Minutes per week of MVPA
Standard Deviation 149.79
108.81 Minutes per week of MVPA
Standard Deviation 121.28
64.05 Minutes per week of MVPA
Standard Deviation 77.13
Self-report Physical Activity (Godin)
Post-Treatment (week 8)
201.79 Minutes per week of MVPA
Standard Deviation 215.55
138.18 Minutes per week of MVPA
Standard Deviation 161.17
134.35 Minutes per week of MVPA
Standard Deviation 126.96
180.71 Minutes per week of MVPA
Standard Deviation 232.52
Self-report Physical Activity (Godin)
Month 3 (week 12)
188.46 Minutes per week of MVPA
Standard Deviation 188.74
113.50 Minutes per week of MVPA
Standard Deviation 120.28
133.81 Minutes per week of MVPA
Standard Deviation 189.10
191.00 Minutes per week of MVPA
Standard Deviation 307.16
Self-report Physical Activity (Godin)
Baseline
74.00 Minutes per week of MVPA
Standard Deviation 80.52
35.77 Minutes per week of MVPA
Standard Deviation 52.16
72.50 Minutes per week of MVPA
Standard Deviation 89.02
31.74 Minutes per week of MVPA
Standard Deviation 52.61

SECONDARY outcome

Timeframe: Baseline; Mid-Treatment (week 4); Post-Treatment (week 8); Month 3 (week 12); Month 6 (week 26)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Score on the Center for Epidemiological Studies Depression Scale (CES-D): CESD SCORE , 20 items (Range 0 to 60, higher score = higher depressive symptoms)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Self-reported Depression Symptoms (CES-D)
Baseline
21.13 Scores on a scale
Standard Deviation 9.21
22.85 Scores on a scale
Standard Deviation 9.02
22.88 Scores on a scale
Standard Deviation 8.88
23.83 Scores on a scale
Standard Deviation 9.36
Self-reported Depression Symptoms (CES-D)
Mid-Treatment (week 4)
16.46 Scores on a scale
Standard Deviation 5.95
15.45 Scores on a scale
Standard Deviation 6.98
18.74 Scores on a scale
Standard Deviation 10.31
20.82 Scores on a scale
Standard Deviation 13.10
Self-reported Depression Symptoms (CES-D)
Post-Treatment (week 8)
14.57 Scores on a scale
Standard Deviation 6.96
15.91 Scores on a scale
Standard Deviation 5.58
16.17 Scores on a scale
Standard Deviation 9.23
18.19 Scores on a scale
Standard Deviation 11.33
Self-reported Depression Symptoms (CES-D)
Month 3 (week 12)
13.92 Scores on a scale
Standard Deviation 7.63
15.40 Scores on a scale
Standard Deviation 6.95
18.67 Scores on a scale
Standard Deviation 11.80
18.60 Scores on a scale
Standard Deviation 11.07
Self-reported Depression Symptoms (CES-D)
Month 6 (week 26)
11.91 Scores on a scale
Standard Deviation 7.20
14.89 Scores on a scale
Standard Deviation 8.02
20.10 Scores on a scale
Standard Deviation 14.07
19.90 Scores on a scale
Standard Deviation 11.09

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline; Mid-Treatment (week 4); Post-Treatment (week 8); Month 3 (week 12); Month 6 (week 26)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Measures how a person's values align with physical activity: 5 items (Range 0 to 30, higher score=closer alignment between internal values and actions)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Physical Activity Values Clarification (Progress)
Baseline
17.60 Scores on a scale
Standard Deviation 5.79
15.15 Scores on a scale
Standard Deviation 5.58
14.22 Scores on a scale
Standard Deviation 5.64
14.83 Scores on a scale
Standard Deviation 6.35
Physical Activity Values Clarification (Progress)
Mid-Treatment (week 4)
17.62 Scores on a scale
Standard Deviation 4.74
18.64 Scores on a scale
Standard Deviation 6.00
16.95 Scores on a scale
Standard Deviation 6.88
17.70 Scores on a scale
Standard Deviation 5.30
Physical Activity Values Clarification (Progress)
Post-Treatment (week 8)
19.14 Scores on a scale
Standard Deviation 5.30
18.36 Scores on a scale
Standard Deviation 4.78
16.90 Scores on a scale
Standard Deviation 7.11
18.48 Scores on a scale
Standard Deviation 5.23
Physical Activity Values Clarification (Progress)
Month 3 (week 12)
19.54 Scores on a scale
Standard Deviation 6.60
19.60 Scores on a scale
Standard Deviation 5.89
17.86 Scores on a scale
Standard Deviation 5.21
17.20 Scores on a scale
Standard Deviation 6.54
Physical Activity Values Clarification (Progress)
Month 6 (week 26)
19.00 Scores on a scale
Standard Deviation 6.94
18.22 Scores on a scale
Standard Deviation 6.12
17.19 Scores on a scale
Standard Deviation 6.54
16.90 Scores on a scale
Standard Deviation 6.44

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline; Mid-Treatment (week 4); Post-Treatment (week 8); Month 3 (week 12); Month 6 (week 26)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Measures the extent to which a person can tolerate any distress associated with physical activity: 10 items (Range 10 to 70, higher score= greater acceptance)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Acceptance of Physical Activity-related Distress (Physical Activity Acceptance Questionnaire)
Baseline
40.87 Scores on a scale
Standard Deviation 11.80
42.00 Scores on a scale
Standard Deviation 10.98
42.78 Scores on a scale
Standard Deviation 9.06
38.58 Scores on a scale
Standard Deviation 8.12
Acceptance of Physical Activity-related Distress (Physical Activity Acceptance Questionnaire)
Mid-Treatment (week 4)
42.38 Scores on a scale
Standard Deviation 8.73
40.36 Scores on a scale
Standard Deviation 7.90
43.41 Scores on a scale
Standard Deviation 8.83
40.61 Scores on a scale
Standard Deviation 8.68
Acceptance of Physical Activity-related Distress (Physical Activity Acceptance Questionnaire)
Post-Treatment (week 8)
42.79 Scores on a scale
Standard Deviation 10.49
41.27 Scores on a scale
Standard Deviation 11.04
45.19 Scores on a scale
Standard Deviation 8.85
42.09 Scores on a scale
Standard Deviation 10.76
Acceptance of Physical Activity-related Distress (Physical Activity Acceptance Questionnaire)
Month 3 (week 12)
42.31 Scores on a scale
Standard Deviation 11.47
42.90 Scores on a scale
Standard Deviation 9.45
42.14 Scores on a scale
Standard Deviation 11.16
44.65 Scores on a scale
Standard Deviation 8.49
Acceptance of Physical Activity-related Distress (Physical Activity Acceptance Questionnaire)
Month 6 (week 26)
40.73 Scores on a scale
Standard Deviation 11.83
42.56 Scores on a scale
Standard Deviation 11.40
41.76 Scores on a scale
Standard Deviation 10.51
43.33 Scores on a scale
Standard Deviation 9.32

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline; Mid-Treatment (week 4); Post-Treatment (week 8); Month 3 (week 12); Month 6 (week 26)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Measures the extent to which a person is motivated to engage in physical activity: 16 items Range ( -18 to 18, with a higher score=greater autonomous motivation to exercise)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Physical Activity-related Motivation (Treatment Self-Regulation Questionnaire - Exercise Version)
Baseline
7.17 Scores on a scale
Standard Deviation 4.19
8.52 Scores on a scale
Standard Deviation 3.02
8.19 Scores on a scale
Standard Deviation 3.64
8.21 Scores on a scale
Standard Deviation 4.85
Physical Activity-related Motivation (Treatment Self-Regulation Questionnaire - Exercise Version)
Mid-Treatment (week 4)
6.21 Scores on a scale
Standard Deviation 3.91
7.82 Scores on a scale
Standard Deviation 3.04
8.15 Scores on a scale
Standard Deviation 3.74
7.63 Scores on a scale
Standard Deviation 3.92
Physical Activity-related Motivation (Treatment Self-Regulation Questionnaire - Exercise Version)
Post-Treatment (week 8)
7.36 Scores on a scale
Standard Deviation 4.21
8.80 Scores on a scale
Standard Deviation 3.76
7.87 Scores on a scale
Standard Deviation 4.52
7.35 Scores on a scale
Standard Deviation 4.22
Physical Activity-related Motivation (Treatment Self-Regulation Questionnaire - Exercise Version)
Month 3 (week 12)
7.85 Scores on a scale
Standard Deviation 4.16
8.78 Scores on a scale
Standard Deviation 3.20
8.10 Scores on a scale
Standard Deviation 4.44
7.64 Scores on a scale
Standard Deviation 3.64
Physical Activity-related Motivation (Treatment Self-Regulation Questionnaire - Exercise Version)
Month 6 (week 26)
7.98 Scores on a scale
Standard Deviation 3.59
8.39 Scores on a scale
Standard Deviation 4.22
8.15 Scores on a scale
Standard Deviation 4.30
7.52 Scores on a scale
Standard Deviation 4.46

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline; Mid-Treatment (week 4); Post-Treatment (week 8); Month 3 (week 12); Month 6 (week 26)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Measures the extent to which a person can tolerate uncomfortable experiences: 5 items (Range 0 to 30, higher score =greater discomfort intolerance)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Discomfort Intolerance (Discomfort Intolerance Scale)
Baseline
13.73 Scores on a scale
Standard Deviation 4.37
9.54 Scores on a scale
Standard Deviation 5.43
14.62 Scores on a scale
Standard Deviation 6.70
8.83 Scores on a scale
Standard Deviation 4.96
Discomfort Intolerance (Discomfort Intolerance Scale)
Mid-Treatment (week 4)
14.08 Scores on a scale
Standard Deviation 4.17
10.82 Scores on a scale
Standard Deviation 5.90
13.17 Scores on a scale
Standard Deviation 6.28
10.18 Scores on a scale
Standard Deviation 4.97
Discomfort Intolerance (Discomfort Intolerance Scale)
Post-Treatment (week 8)
13.57 Scores on a scale
Standard Deviation 4.31
11.00 Scores on a scale
Standard Deviation 5.83
13.96 Scores on a scale
Standard Deviation 6.17
9.76 Scores on a scale
Standard Deviation 4.64
Discomfort Intolerance (Discomfort Intolerance Scale)
Month 3 (week 12)
14.77 Scores on a scale
Standard Deviation 2.59
10.90 Scores on a scale
Standard Deviation 6.03
14.62 Scores on a scale
Standard Deviation 7.11
8.55 Scores on a scale
Standard Deviation 4.71
Discomfort Intolerance (Discomfort Intolerance Scale)
Month 6 (week 26)
14.45 Scores on a scale
Standard Deviation 3.96
10.56 Scores on a scale
Standard Deviation 6.21
14.29 Scores on a scale
Standard Deviation 7.66
10.05 Scores on a scale
Standard Deviation 5.36

OTHER_PRE_SPECIFIED outcome

Timeframe: Baseline; Mid-Treatment (week 4); Post-Treatment (week 8); Month 3 (week 12); Month 6 (week 26)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Measures the extent to which a person enjoys physical activity: 18 items (Range 18 to 126, higher score = greater PA enjoyment)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Physical Activity Enjoyment (PACES Questionnaire)
Mid-Treatment (week 4)
85.15 Scores on a scale
Standard Deviation 17.63
75.40 Scores on a scale
Standard Deviation 25.55
78.96 Scores on a scale
Standard Deviation 18.20
76.00 Scores on a scale
Standard Deviation 21.75
Physical Activity Enjoyment (PACES Questionnaire)
Post-Treatment (week 8)
77.08 Scores on a scale
Standard Deviation 22.99
79.30 Scores on a scale
Standard Deviation 24.71
82.96 Scores on a scale
Standard Deviation 22.98
74.19 Scores on a scale
Standard Deviation 21.14
Physical Activity Enjoyment (PACES Questionnaire)
Month 3 (week 12)
80.08 Scores on a scale
Standard Deviation 23.73
76.30 Scores on a scale
Standard Deviation 28.06
79.05 Scores on a scale
Standard Deviation 21.09
78.25 Scores on a scale
Standard Deviation 20.59
Physical Activity Enjoyment (PACES Questionnaire)
Month 6 (week 26)
86.91 Scores on a scale
Standard Deviation 23.52
77.78 Scores on a scale
Standard Deviation 28.53
78.33 Scores on a scale
Standard Deviation 24.65
74.33 Scores on a scale
Standard Deviation 25.41
Physical Activity Enjoyment (PACES Questionnaire)
Baseline
80.20 Scores on a scale
Standard Deviation 19.28
77.31 Scores on a scale
Standard Deviation 21.30
74.20 Scores on a scale
Standard Deviation 21.66
71.52 Scores on a scale
Standard Deviation 23.33

OTHER_PRE_SPECIFIED outcome

Timeframe: Start of Treatment (week 1)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Measures perceived credibility and expected benefits of treatment CREDIBILITY AND EXPECTANCY (Range 1 to 9, higher score= higher credibility)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=14 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=23 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Credibility and Expectancy Questionnaire
6.82 Scores on a scale
Standard Deviation 1.43
6.94 Scores on a scale
Standard Deviation 1.11
6.63 Scores on a scale
Standard Deviation 1.30
6.51 Scores on a scale
Standard Deviation 1.84

OTHER_PRE_SPECIFIED outcome

Timeframe: Mid-Treatment (week 4); Post-Treatment (week 8)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Measures perceived cohesiveness of the treatment group: 13 items (Range 13 to 91, higher score = greater perceived positive group bonds)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=15 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Group Cohesion - Positive Bonds
Post-Treatment (week 8)
78.21 Scores on a scale
Standard Deviation 11.00
73.09 Scores on a scale
Standard Deviation 20.90
58.69 Scores on a scale
Standard Deviation 7.69
60.76 Scores on a scale
Standard Deviation 6.48
Group Cohesion - Positive Bonds
Mid-Treatment (week 4)
77.92 Scores on a scale
Standard Deviation 13.33
76.82 Scores on a scale
Standard Deviation 16.15
57.65 Scores on a scale
Standard Deviation 5.41
56.59 Scores on a scale
Standard Deviation 7.58

OTHER_PRE_SPECIFIED outcome

Timeframe: Post-Treatment (week 8)

Population: The number analyzed in one or more rows differs from the overall number analyzed because some participants failed to complete follow-up assessments.

Measures satisfaction with treatment: 8 items (frequency and % who at least mostly agree with recommending the program)

Outcome measures

Outcome measures
Measure
Phase 1 ACTivity Group
n=14 Participants
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=11 Participants
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=23 Participants
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=21 Participants
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Client Satisfaction
12 Participants
9 Participants
22 Participants
20 Participants

Adverse Events

Phase 1 ACTivity Group

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Phase 1 Relaxercise Group

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Phase 2 ACTivity Group

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Phase 2 Relaxercise Group

Serious events: 0 serious events
Other events: 3 other events
Deaths: 0 deaths

Serious adverse events

Adverse event data not reported

Other adverse events

Other adverse events
Measure
Phase 1 ACTivity Group
n=15 participants at risk
Phase 1 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 1 Relaxercise Group
n=13 participants at risk
Phase 1 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 ACTivity Group
n=24 participants at risk
Phase 2 of Acceptance and Commitment Therapy for physical activity promotion plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Phase 2 Relaxercise Group
n=23 participants at risk
Phase 2 of Relaxation training plus standard physical activity promotion strategies (i.e., goal-setting, self-monitoring)
Nervous system disorders
Fibromyalgia flare
6.7%
1/15 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/13 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/24 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/23 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
Respiratory, thoracic and mediastinal disorders
Respiratory illnesses including COVID; Flu; Pneumonia; Asthma
0.00%
0/15 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/13 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
12.5%
3/24 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
4.3%
1/23 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
General disorders
Medication side effect
0.00%
0/15 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/13 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/24 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
8.7%
2/23 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
Musculoskeletal and connective tissue disorders
Minor toe injury
0.00%
0/15 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
7.7%
1/13 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/24 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/23 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
Eye disorders
Retina surgery
6.7%
1/15 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/13 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/24 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/23 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
Musculoskeletal and connective tissue disorders
Ankle sprains
6.7%
1/15 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
15.4%
2/13 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/24 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.
0.00%
0/23 • Adverse event data was collected starting the date of consent and ending 7 days (non-serious adverse events) or 30 days (serious adverse events) after the 6-month follow-up.

Additional Information

David M. Williams

Brown University

Phone: 401-863-6248

Results disclosure agreements

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