A quasi-randomized group trial of a brief alcohol intervention on risky single occasion drinking among secondary school students.
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2012
- doi: 10.1007/s00038-012-0419-0
- issn: 1661-8556
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G. Gmel et al., « A quasi-randomized group trial of a brief alcohol intervention on risky single occasion drinking among secondary school students. », Serveur académique Lausannois, ID : 10.1007/s00038-012-0419-0
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OBJECTIVES: To show the effectiveness of a brief group alcohol intervention. Aims of the intervention were to reduce the frequency of heavy drinking occasions, maximum number of drinks on an occasion and overall weekly consumption. METHODS: A cluster quasi-randomized control trial (intervention n = 338; control n = 330) among 16- to 18-year-old secondary school students in the Swiss Canton of Zürich. Groups homogeneous for heavy drinking occasions (5+/4+ drinks for men/women) consisted of those having medium risk (3-4) or high risk (5+) occasions in the past 30 days. Groups of 8-10 individuals received two 45-min sessions based on motivational interviewing techniques. RESULTS: Borderline significant beneficial effects (p