Promoting Smoking Cessation in the Community Via "Quit to Win" Contest 2017
Conditions
Interventions
- BEHAVIORAL: Instant Messaging IM
- BEHAVIORAL: Regular messages
- BEHAVIORAL: AWARD advice
- BEHAVIORAL: Referral card
- BEHAVIORAL: Brief advice
- BEHAVIORAL: COSH booklet
- BEHAVIORAL: Placebo Messages
- BEHAVIORAL: Warning Leaflet
Sponsor
The University of Hong Kong
Collaborators