Journal
AMERICAN JOURNAL OF PREVENTIVE MEDICINE
Volume 37, Issue 5, Pages 418-427Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amepre.2009.07.012
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Background: Over the past decade, childhood obesity has been recognized as an increasing health problem worldwide. It is a predictor of obesity during adulthood, which is strongly linked to chronic lifestyle diseases. Purpose: This paper aims to evaluate the effectiveness of school-based programs in the prevention and management of childhood obesity. Methods: A comprehensive literature search was undertaken for RCTs and clinical controlled trials on school-based interventions that addressed childhood obesity, published between 1995 and 2007. The papers included for the meta-analysis were those in which. ORs or standardized mean differences and their 95% CIs were reported or could be calculated from available data. Results: Meta-analysis showed that the odds of participants' being overweight and obese in the school-based intervention programs compared with the control arm were significantly protective in the short term (OR = 0.74, 95% CI = 0.60, 0.92). Interventions that were conducted for more than I year had a higher OR of decreasing the prevalence of obesity. However, intervention programs were not effective in decreasing BMI compared with control treatments, with a weighted mean difference of -0.62 (95% CI = -1.39, 0.14). Conclusions: This meta-analysis showed that there was convincing evidence that school-based interventions are effective, at least short-term, in reducing the prevalence of childhood obesity. Longer-running programs were more effective than shorter programs. (Am J Prev Med 2009;37(5):418-427) (C) 2009 American Journal of Preventive Medicine
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