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Motivational Interventions for Reducing Excessive Alcohol Consumption Among University Students: A Systematic Review
Víctor Serrano-Fernández1, Esperanza Barroso-Corroto1, Cristina Rivera-Picón2
1Facultad de Fisioterapia y Enfermería, Universidad de Castilla-La Mancha, 45071 Toledo, Spain.
Motivational interventions (MIs) effectively reduce risky alcohol consumption in university students. Brief, single-session MIs show sustained positive effects on reducing alcohol intake and related harms.
Area of Science:
- Public Health
- Addiction Medicine
- Behavioral Science
Background:
- University students exhibit high rates of risky alcohol consumption.
- Existing evidence on the effectiveness of motivational interventions (MIs) is inconsistent.
- Targeted interventions are crucial for this demographic.
Purpose of the Study:
- To systematically review and meta-analyze the efficacy of MIs in reducing alcohol consumption and harm among university students.
- To synthesize evidence from randomized controlled trials (RCTs).
Main Methods:
- Systematic literature search across PubMed, Scopus, and BVS Library up to April 2025.
- Included 15 randomized controlled trials (RCTs).
- Utilized PRISMA guidelines and RoB-2 for risk of bias assessment; employed random-effects models for meta-analysis.
Main Results:
- MIs significantly decreased daily alcohol intake (-0.55 drinks/day).
- Observed positive trends in reducing weekly consumption and binge drinking, though not statistically significant.
- Demonstrated reductions in alcohol-related consequences and blood alcohol concentration; effects sustained up to one year.
Conclusions:
- Motivational interventions are effective, brief, and adaptable strategies for mitigating harmful alcohol use in university settings.
- Their simplicity and sustained efficacy make them valuable for university health programs.
- Further research needed on optimizing components and cultural adaptation.
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