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Mobile Chat Messaging for Smoking Relapse Prevention: A Randomized Clinical Trial.

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Mobile chat messaging significantly increased smoking abstinence rates by nearly 30% in a randomized trial. This scalable intervention helps individuals maintain cessation after quitting smoking.

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Area of Science:

  • Public Health
  • Digital Health
  • Behavioral Science

Background:

  • Smoking cessation relapse remains high despite evidence-based treatments.
  • Mobile interventions present a promising, yet under-explored, strategy for sustained cessation.
  • Developing scalable solutions is crucial for widespread public health impact.

Purpose of the Study:

  • To evaluate the efficacy of mobile chat messaging for preventing smoking relapse in recent quitters.
  • To assess the impact of a digital intervention on maintaining tobacco abstinence.

Main Methods:

  • A randomized clinical trial involving adults who recently quit smoking.
  • Intervention group received 3 months of mobile chat support (live counselor and chatbot).
  • Control group received generic smoking cessation advice via text messages.

Main Results:

  • The mobile chat intervention group showed significantly higher biochemically validated abstinence at 6 months (45.9% vs 35.5%).
  • Higher rates of prolonged abstinence and 7-day point prevalence abstinence were observed in the intervention group.
  • The intervention group experienced a significantly lower relapse rate compared to the control group.

Conclusions:

  • Mobile chat messaging is an effective strategy for smoking relapse prevention.
  • This digital approach offers a scalable method to support sustained smoking abstinence.
  • The findings support the integration of mobile health interventions in smoking cessation programs.