1,448
Participants
Start Date
July 3, 2023
Primary Completion Date
December 31, 2025
Study Completion Date
June 30, 2026
Self-determination theory-based intervention plus instant messaging
subjects will receive brief interventions using the AWARD model and they will be allowed to select their own quit schedules (quit immediately, or quit progressively) with the ultimate goal of complete cessation. Follow-up booster intervention with WhatsApp/WeChat messages to help them to adhere to their schedules and independent 1-minute videos will be delivered.
AWARD model
Subjects will receive a brief intervention using the AWARD model and all of them will advise to quit immediately. Only general health advice via WhatsApp/WeChat will be delivered.
RECRUITING
The Chinese University of Hong Kong, Hong Kong
Chinese University of Hong Kong
OTHER