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Int J Public Health. 2012 Dec;57(6):935-44. doi: 10.1007/s00038-012-0419-0. Epub 2012 Oct 23.

A quasi-randomized group trial of a brief alcohol intervention on risky single occasion drinking among secondary school students.

Author information

1
Research Department, Addiction Switzerland, Avenue de Ruchonnet 14, P.O. Box 870, 1001 Lausanne, Switzerland. ggmel@addictionsuisse.ch

Abstract

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 Z├╝rich. 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 < 0.10) on heavy drinking occasions and alcohol volume were found 6 months later for the medium-risk group only, but not for the high-risk group. None of the effects remained significant after Bonferroni corrections.

CONCLUSIONS:

Group intervention was ineffective for all at-risk users. The heaviest drinkers may need more intensive treatment. Alternative explanations were iatrogenic effects among the heaviest drinkers, assessment reactivity, or reduction of social desirability bias at follow-up through peer feedback.

PMID:
23089675
DOI:
10.1007/s00038-012-0419-0
[Indexed for MEDLINE]

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