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Community-Based Environmental Interventions to Prevent Alcohol Use in Adolescents: A Systematic Review.

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Community-based environmental strategies, especially regulatory ones, effectively prevent adolescent alcohol use. Combining these with community mobilization offers a sustainable, holistic prevention model.

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adolescentalcoholcommunity‐basedenvironmental preventsystematic review

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Area of Science:

  • Public Health
  • Environmental Health
  • Adolescent Health

Background:

  • Adolescent alcohol use remains a significant public health concern.
  • Environmental prevention strategies aim to reduce alcohol availability and consumption.
  • Community-based approaches are increasingly recognized for their potential impact.

Purpose of the Study:

  • To systematically review community-based environmental prevention strategies for adolescent alcohol use.
  • To examine the characteristics and effectiveness of these strategies.
  • To identify challenges and best practices in implementation.

Main Methods:

  • A comprehensive literature search was conducted across major databases (MEDLINE/PubMed, Scopus, PsycINFO) up to December 2024.
  • Included randomized or quasi-experimental studies targeting individuals under 21 years.
  • Evaluated environmental interventions (regulatory, physical, economic) focusing on alcohol consumption and access, using RoB 2 and ROBINS-I for bias assessment.

Main Results:

  • Regulatory strategies were most common (94%), followed by physical strategies (37%).
  • Reduced alcohol availability (62%) and consumption (37%) were primary outcomes.
  • While 69% of studies reported positive effects, heterogeneity posed comparability challenges. Community mobilization was noted in 81% of studies.

Conclusions:

  • Environmental interventions, particularly regulatory ones, are valuable for preventing adolescent alcohol use.
  • Effectiveness and sustainability are enhanced by integrating environmental strategies with community mobilization.
  • A multicomponent model combining environmental modifications and community participation offers a holistic and adaptable framework for sustainable outcomes.