Drug prevention in junior high: a multi-site longitudinal test

Area of Science:

• Public Health
• Adolescent Psychology
• Substance Abuse Prevention

Background:

• Adolescent substance use, including cigarettes and marijuana, presents a significant public health challenge.
• Early intervention programs are crucial for preventing the onset of drug use in young adolescents.
• Social-influence models offer a promising framework for drug use prevention education.

Purpose of the Study:

• To evaluate the effectiveness of a social-influence-based education program in preventing or reducing cigarette and marijuana use among junior high students.
• To assess the program's impact across diverse student populations and school settings.
• To examine the program's long-term effects and its influence on different substances.

Main Methods:

• A longitudinal, multi-site experiment involving the entire seventh-grade cohort across 30 junior high schools.
• Implementation of a social-influence-based curriculum between 1984 and 1986.
• Assessment of program impact through follow-ups at 3, 12, and 15 months.

Main Results:

• The education program successfully prevented or reduced cigarette and marijuana use in young adolescents.
• Positive outcomes were observed for both low- and high-risk students, irrespective of school minority enrollment.
• The program showed limited efficacy for previously confirmed smokers and short-lived effects on adolescent drinking.

Conclusions:

• Social-influence education programs are effective in preventing adolescent cigarette and marijuana use.
• These programs demonstrate broad applicability across diverse student demographics and school environments.
• Targeted interventions may be necessary for established adolescent smokers, and further research is needed for sustained effects on drinking behaviors.