Evaluating depressive symptom interactions on adolescent smoking prevention program mediators: a mediated moderation
Kari-Lyn Kobayakawa Sakuma1, Ping Sun, Jennifer B Unger
1Prevention Research Center, Pennsylvania State University, 402 Marion Place, University Park, PA 16802, USA. ksakuma@psu.edu
Summary
Adolescents with high depressive symptoms may be more sensitive to peer smoking influences. Tailoring smoking prevention programs to individual disposition and social factors is crucial for effectiveness.
Area of Science:
- Public Health
- Adolescent Psychology
- Behavioral Science
Background:
- Smoking remains a significant public health issue globally, particularly in China.
- Adolescent smoking initiation and escalation require targeted prevention strategies.
- Depression and social influences are key factors in adolescent smoking behavior.
Purpose of the Study:
- To evaluate a school-based smoking prevention trial in China.
- To investigate the role of depression and social influences on adolescent smoking.
- To identify predictors of smoking behavior in at-risk adolescents.
Main Methods:
- A longitudinal randomized controlled trial involving 1,391 male seventh-grade students.
- Administered a 200-item survey at baseline and 1-year follow-up.
- Assessed smoking behavior, depression symptoms, and perceived friend smoking prevalence.
Main Results:
- Higher perceived friend smoking prevalence was linked to current smoking and depression risk.
- The intervention effectively altered perceptions of friend smoking only in adolescents with high depression and prior smoking experience.
- A significant interaction between the program and comorbidity predicted 30-day smoking at follow-up.
Conclusions:
- Adolescents with high depressive symptoms are more susceptible to social influences regarding smoking.
- Integrating individual disposition with social environmental influences is vital for effective prevention programs.
- Future interventions should consider personalized approaches for adolescent smoking cessation.
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