Smoking Cessation Programme in Workplaces in Hong Kong (Phase III)

Subjects in this group will receive treatments including a general health education talk about smoking cessation. Subjects will also get involved in the personalized what's app interaction (up to 2 months duration) to receive social support to quit smoking. The intervention outcomes and subjects' smoking status will be followed up regularly via telephone interviews (15 - 30 minutes).

Subjects in this group will receive treatments including a general health education talk about smoking cessation but without the information of active referral to other smoking cessation services. Subjects will receive less intensive reminders via social media. The intervention outcomes and subjects' smoking status will be followed up regularly via telephone interviews (15 - 30 minutes).