100
Participants
Start Date
January 1, 2020
Primary Completion Date
June 30, 2020
Study Completion Date
June 30, 2020
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.
Control
Completion of a baseline questionnaire and a 1-month follow-up survey.
The University of Hong Kong, Hong Kong
The University of Hong Kong
OTHER