Metaphor-Based Smoking Cessation Intervention

Condition(s) studied

Investigational drug(s) / intervention(s)

Metaphor-based smoking cessation intervention: Participants will receive a 100-day, WeChat-delivered smoking cessation intervention using metaphors such as "fog" and "restart" to describe smoking urges, nicotine dependence, and the process of behavior change. The intervention will provide staged messages on smoking-trigger identification, self-monitoring, action planning, coping strategies, environmental modification, social support, and relapse prevention, together with personalized feedback and a personalized journey map to help participants review their cessation experiences and progress.

5A's/5R's advice: The 5A's approach (Ask, Advise, Assess, Assist, and Arrange) will be used for participants who are ready to quit, and the 5R's approach (Relevance, Risks, Rewards, Roadblocks, and Repetition) will be used for participants who are not ready to quit.

Health warning leaflet: The health warning leaflet provides essential information on the dangers of secondhand and thirdhand smoke. It outlines how exposure to these forms of smoke can harm both smokers and non-smokers, particularly children, by increasing the risk of respiratory illnesses and other health issues.

Study summary

This study aims to evaluate the effectiveness and participant experiences of a WeChat-delivered, metaphor-based smoking cessation intervention.

Eligibility

Primary outcome measure(s)

• Biochemical validated quit rate at 6 months follow-up — 6 months follow-up
  The primary outcomes are biochemically validated quit rate (exhaled carbon monoxide \< 4 ppm or salivary cotinine \< 30 ng/ml)

Trial sites (1)

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