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- W1510398300 abstract "Background Drinking is influenced by youth perceptions of how their peers drink. These perceptions are often incorrect, overestimating peer drinking norms. If inaccurate perceptions can be corrected, young people may drink less. Objectives To determine whether social norms interventions reduce alcohol‐related negative consequences, alcohol misuse or alcohol consumption when compared with a control (ranging from assessment only/no intervention to other educational or psychosocial interventions) among university and college students. Search methods The following electronic databases were searched up to July 2015: the Cochrane Central Register of Controlled Trials (CENTRAL) (The Cochrane Library), MEDLINE, EMBASE, PsycINFO. The Cumulative Index to Nursing and Allied Health Literature (CINAHL) only to March 2008. Reference lists of included studies and review articles were manually searched. No restriction based on language or date was applied. Selection criteria Randomised controlled trials or cluster‐randomised controlled trials that compared a social normative intervention versus no intervention, alcohol education leaflet or other 'non‐normative feedback' alcohol intervention and reported on alcohol consumption or alcohol‐related problems in university or college students. Data collection and analysis We used standard methodological procedures as expected by Cochrane. Each outcome was analysed by mode of delivery: mailed normative feedback (MF); web/computer normative feedback (WF); individual face‐to‐face normative feedback (IFF); group face‐to‐face normative feedback (GFF); and normative marketing campaign (MC). Main results A total of 70 studies (44,958 participants) were included in the review, and 63 studies (42,784 participants) in the meta‐analyses. Overall, the risk of bias assessment showed that these studies provided moderate or low quality evidence. Outcomes at four or more months post‐intervention were of particular interest to assess when effects were sustained beyond the immediate short term. We have reported pooled effects across delivery modes only for those analyses for which heterogeneity across delivery modes is not substantial (I2 < 50%). Alcohol‐related problems at four or more months: IFF standardised mean difference (SMD) ‐0.14, 95% confidence interval (CI) ‐0.24 to ‐0.04 (participants = 2327; studies = 11; moderate quality evidence), equivalent to a decrease of 1.28 points in the 69‐point alcohol problems scale score. No effects were found for WF or MF. Binge drinking at four or more months: results pooled across delivery modes: SMD ‐0.06, 95% CI ‐0.11 to ‐0.02 (participants = 11,292; studies = 16; moderate quality evidence), equivalent to 2.7% fewer binge drinkers if 30‐day prevalence is 43.9%. Drinking quantity at four or more months: results pooled across delivery modes: SMD ‐0.08, 95% CI ‐0.12 to ‐0.04 (participants = 21,169; studies = 32; moderate quality evidence), equivalent to a reduction of 0.9 drinks consumed each week, from a baseline of 13.7 drinks per week. Drinking frequency at four or more months: WF SMD ‐0.11, 95% CI ‐0.17 to ‐0.04 (participants = 9929; studies = 10; moderate quality evidence), equivalent to a decrease of 0.17 drinking days/wk, from a baseline of 2.74 days/wk; IFF SMD ‐0.21, 95% CI ‐0.31 to ‐0.10 (participants = 1464; studies = 8; moderate quality evidence), equivalent to a decrease of 0.32 drinking days/wk, from a baseline of 2.74 days/wk. No effects were found for GFF or MC. Estimated blood alcohol concentration (BAC) at four or more months: peak BAC results pooled across delivery modes: SMD ‐0.08, 95% CI ‐0.17 to 0.00 (participants = 7198; studies = 11; low quality evidence), equivalent to a reduction in peak BAC from an average of 0.144% to 0.135%. No effects were found for typical BAC with IFF. Authors' conclusions The results of this review indicate that no substantive meaningful benefits are associated with social norms interventions for prevention of alcohol misuse among college/university students. Although some significant effects were found, we interpret the effect sizes as too small, given the measurement scales used in the studies included in this review, to be of relevance for policy or practice. Moreover, the significant effects are not consistent for all misuse measures, heterogeneity was a problem in some analyses and bias cannot be discounted as a potential cause of these findings." @default.
- W1510398300 created "2016-06-24" @default.
- W1510398300 creator A5002127861 @default.
- W1510398300 creator A5023025456 @default.
- W1510398300 creator A5037615669 @default.
- W1510398300 creator A5057495098 @default.
- W1510398300 date "2015-12-29" @default.
- W1510398300 modified "2023-10-16" @default.
- W1510398300 title "Social norms information for alcohol misuse in university and college students" @default.
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