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Meta-Analysis
. 2017 Sep;20(13):2416-2431.
doi: 10.1017/S1368980017000076. Epub 2017 Feb 8.

Efficacy of school-based interventions aimed at decreasing sugar-sweetened beverage consumption among adolescents: a systematic review

Lydi-Anne Vézina-Im  1 , Dominique Beaulieu  2 , Ariane Bélanger-Gravel  3 , Danielle Boucher  2 , Caroline Sirois  2 , Marylène Dugas  4 , Véronique Provencher  1
Affiliations
Meta-Analysis

Efficacy of school-based interventions aimed at decreasing sugar-sweetened beverage consumption among adolescents: a systematic review

Lydi-Anne Vézina-Im et al. Public Health Nutr. 2017 Sep.

Abstract

Objective: To verify the efficacy of school-based interventions aimed at reducing sugar-sweetened beverage (SSB) consumption among adolescents in order to develop or improve public health interventions.

Design: Systematic review of interventions targeting adolescents and/or the school environment.

Setting: The following databases were investigated: MEDLINE/PubMed, PsycINFO, CINAHL and EMBASE. Proquest Dissertations and Theses was also investigated for unpublished trials.

Subjects: Adolescents were defined as individuals between the ages of 12 and 17 years.

Results: A total of thirty-six studies detailing thirty-six different interventions tested among independent samples (n 152 001) were included in the review. Twenty interventions were classified as educational/behavioural and ten were classified as legislative/environmental interventions. Only six interventions targeted both individuals and their environment. Over 70 % of all interventions, regardless of whether they targeted individuals, their environment or both, were effective in decreasing SSB consumption. Legislative/environmental studies had the highest success rate (90·0 %). Educational/behavioural interventions only and interventions that combined educational/behavioural and legislative/environmental approaches were almost equally effective in reducing SSB consumption with success rates of 65·0 and 66·7 %, respectively. Among the interventions that had an educational/behavioural component, 61·5 % were theory-based. The behaviour change techniques most frequently used in interventions were providing information about the health consequences of performing the behaviour (72·2 %), restructuring the physical environment (47·2 %), behavioural goal setting (36·1 %), self-monitoring of behaviour (33·3 %), threat to health (30·6 %) and providing general social support (30·6 %).

Conclusions: School-based interventions show promising results to reduce SSB consumption among adolescents. A number of recommendations are made to improve future studies.

Keywords: Adolescents; School-based interventions; Sugar-sweetened beverages; Systematic review.

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Figures

Fig. 1
Fig. 1
PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) flowchart( 134 ) showing selection of the studies included in the present systematic review (SSB, sugar-sweetened beverage)
See this image and copyright information in PMC

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