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EMA for the Exposure to Alcohol Advertisements

NCT04055402 · Status: COMPLETED · Phase: NA · Type: INTERVENTIONAL · Enrollment: 100

Last updated 2020-11-04

No results posted yet for this study

Summary

The present proposed study has 3 primary objectives to address the knowledge gap regarding the exposure to alcohol advertisements in university students: (1) To estimate the frequency of exposure to alcohol advertisements and promotion of alcohol drinking culture (PADC) via television, print, radio, posters, banners, billboards, point-of-sale websites and social media in university students, (2) To examine the effect of exposure to alcohol advertising and PADC on alcohol use, binge drinking, pro-drinking attitudes and acceptance of alcohol advertisements, and (3) To examine the discrepancy in measuring the exposure to alcohol advertisements and PADC between the ecological momentary assessment and a traditional retrospective survey.The proposed study is a combination of (1) a time-based system-triggered EMA, which will collect real-time exposure to alcohol advertisements and (2) longitudinal surveys involving university students who are current alcohol users. Consented participants will be individually randomized to the EMA and non-EMA group. The EMA group will complete a baseline questionnaire, and complete 4 EMAs prompted randomly and 1 end-of-day survey with a smartphone app per day over a week. After 2 weeks of completing the EMA, they will be contacted to complete a telephone follow-up survey. The non-EMA group will only complete the baseline and the follow-up surveys.

Conditions

  • Alcohol Drinking

Interventions

OTHER

Ecological momentary assessments

The staff will help the participants in the EMA group to install and set up the EMA App. The briefing will also emphasise the role of EMA participants that they should perform their normal activities as usual instead of finding out the alcohol advertisements and PADC intentionally. Within 2 weeks after completing the baseline survey, participants in EMA group will complete 5 EMAs prompted regularly every day for 14 consecutive days. The participants will then be contacted for a follow-up survey 2 weeks after the completion of EMA.

OTHER

Control

Completion of a baseline questionnaire and a 1-month follow-up survey.

Sponsors & Collaborators

  • The University of Hong Kong

    lead OTHER

Principal Investigators

  • Derek Cheung, PhD · The University of Hong Kong

Study Design

Allocation
RANDOMIZED
Purpose
HEALTH_SERVICES_RESEARCH
Masking
SINGLE
Model
PARALLEL

Eligibility

Min Age
18 Years
Max Age
35 Years
Sex
ALL
Healthy Volunteers
Yes

Timeline & Regulatory

Start
2020-01-01
Primary Completion
2020-06-30
Completion
2020-06-30

Countries

  • Hong Kong

Study Locations

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Read the full study record

This page highlights key information. For complete eligibility criteria, study locations, investigator contacts, and the full protocol, visit the original record on ClinicalTrials.gov.

View NCT04055402 on ClinicalTrials.gov