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. 2013 Jul;132(1):e201-10.
doi: 10.1542/peds.2013-0886. Epub 2013 Jun 10.

Systematic review of community-based childhood obesity prevention studies

Sara N Bleich  1 , Jodi Segal, Yang Wu, Renee Wilson, Youfa Wang
Affiliations

Systematic review of community-based childhood obesity prevention studies

Sara N Bleich et al. Pediatrics. 2013 Jul.

Abstract

Objective: This study systematically reviewed community-based childhood obesity prevention programs in the United States and high-income countries.

Methods: We searched Medline, Embase, PsychInfo, CINAHL, clinicaltrials.gov, and the Cochrane Library for relevant English-language studies. Studies were eligible if the intervention was primarily implemented in the community setting; had at least 1 year of follow-up after baseline; and compared results from an intervention to a comparison group. Two independent reviewers conducted title scans and abstract reviews and reviewed the full articles to assess eligibility. Each article received a double review for data abstraction. The second reviewer confirmed the first reviewer's data abstraction for completeness and accuracy.

Results: Nine community-based studies were included; 5 randomized controlled trials and 4 non-randomized controlled trials. One study was conducted only in the community setting, 3 were conducted in the community and school setting, and 5 were conducted in the community setting in combination with at least 1 other setting such as the home. Desirable changes in BMI or BMI z-score were found in 4 of the 9 studies. Two studies reported significant improvements in behavioral outcomes (1 in physical activity and 1 in vegetable intake).

Conclusions: The strength of evidence is moderate that a combined diet and physical activity intervention conducted in the community with a school component is more effective at preventing obesity or overweight. More research and consistent methods are needed to understand the comparative effectiveness of childhood obesity prevention programs in the community setting.

Keywords: childhood obesity; community-based; prevention.

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Figures

FIGURE 1
FIGURE 1
Literature search for community-based childhood obesity prevention studies in high-income countries. aSum of excluded abstracts exceeds 5600 because reviewers were not required to agree on reasons for exclusion. bSum of excluded articles exceeds 592 because reviewers were not required to agree on reasons for exclusion.
See this image and copyright information in PMC

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