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Brief integrative multiple behavior intervention effects and mediators for adolescents.
Chudley E Werch1, Hui Bian, Joan M Carlson
1Addictive & Health Behaviors Research Institute, Department of Health Education & Behavior, University of Florida, 7800 Belfort Pkwy, Suite 270, Jacksonville, FL 32256, USA. cwerch@hhp.ufl.edu
Journal of Behavioral Medicine
|July 28, 2010
Summary
This study found a brief intervention improved adolescent alcohol use, diet, and relaxation. Peer influence and self-perception mediated these positive health behavior changes.
Area of Science:
- Adolescent Health
- Behavioral Science
- Public Health Interventions
Background:
- Adolescence is a critical period for establishing health behaviors.
- Multiple risk factors influence adolescent health outcomes.
- Brief interventions show promise for promoting healthier lifestyles.
Purpose of the Study:
- To evaluate a brief integrative multiple behavior intervention's efficacy in older adolescents.
- To assess risk factors as mediators of behavioral outcomes.
- To identify specific health behaviors influenced by the intervention.
Main Methods:
- Randomized controlled trial with 479 high school students.
- Intervention group received brief integrative multiple behavior intervention.
- Control group received standard care, with 3-month follow-up.
Main Results:
- Significant reduction in alcohol use quantity and frequency (P=.01).
- Increased fruit/vegetable consumption and relaxation activities (P=.01).
- No significant effects on smoking, marijuana use, exercise, or sleep.
Conclusions:
- Brief intervention effectively improved specific adolescent health behaviors.
- Intervention effects were mediated by peer influenceability, self-efficacy, and self-image.
- Findings highlight the role of risk factors in mediating intervention outcomes.
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