Study: NCT06570070

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: 5A's/5R's advice
Description: 5A's (Ask, Advise, Assess, Assist, Arrange) for smokers who are ready to quit, and 5R's (relevance, risks, rewards, roadblocks, and repetition) for smokers who are not ready to quit.

Intervention type: BEHAVIORAL
Group type: ACTIVE_COMPARATOR
Intervention: 5A's/5R's advice
Description: 5A's (Ask, Advise, Assess, Assist, Arrange) for smokers who are ready to quit, and 5R's (relevance, risks, rewards, roadblocks, and repetition) for smokers who are not ready to quit.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: 5A's/5R's advice
Description: 5A's (Ask, Advise, Assess, Assist, Arrange) for smokers who are ready to quit, and 5R's (relevance, risks, rewards, roadblocks, and repetition) for smokers who are not ready to quit.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Brief leaflet on health warning and smoking cessation
Description: The contents of the leaflet include the absolute risk of smoking, diseases caused by active and second-hand smoking, horrible pictorial warnings of the health consequences of active and second-hand smoking, and the benefits of quitting.

Intervention type: OTHER
Group type: ACTIVE_COMPARATOR
Intervention: Brief leaflet on health warning and smoking cessation
Description: The contents of the leaflet include the absolute risk of smoking, diseases caused by active and second-hand smoking, horrible pictorial warnings of the health consequences of active and second-hand smoking, and the benefits of quitting.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Brief leaflet on health warning and smoking cessation
Description: The contents of the leaflet include the absolute risk of smoking, diseases caused by active and second-hand smoking, horrible pictorial warnings of the health consequences of active and second-hand smoking, and the benefits of quitting.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Self-help smoking cessation booklet
Description: The contents include information about the benefits of quitting, methods to quit, how to handle withdrawal symptoms, misperceptions of quitting, etc.

Intervention type: OTHER
Group type: ACTIVE_COMPARATOR
Intervention: Self-help smoking cessation booklet
Description: The contents include information about the benefits of quitting, methods to quit, how to handle withdrawal symptoms, misperceptions of quitting, etc.

Intervention type: OTHER
Group type: EXPERIMENTAL
Intervention: Self-help smoking cessation booklet
Description: The contents include information about the benefits of quitting, methods to quit, how to handle withdrawal symptoms, misperceptions of quitting, etc.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: AI-powered chatbot support
Description: Participants will receive three months of AI-powered chatbot, equipped with personalized interactions and real-time support, via WeChat.

Intervention type: BEHAVIORAL
Group type: EXPERIMENTAL
Intervention: Counselor individual support
Description: Participants will receive three months of counselor-led individual support via WeChat. The regular messages and instant messaging on psychosocial support aim to provide cessation advice, increase self-efficacy and confidence, and social support and behavioral capacity of quitting.