title: Interpret results with caution.
authors: Rodney
authors: R
authors: Lyn
authors: Frances
authors: F
authors: McCarty
mesh_terms: D000293:Adolescent; D001823:Body Composition; D015992:Body Mass Index; D002648:Child; D004032:Diet; D005260:Female; D006266:Health Education / Q000379:methods; D006801:Humans; D008297:Male; D015201:Meta-Analysis as Topic; D009765:Obesity / Q000453:epidemiology / Q000517:prevention & control*; D010806:Physical Education and Training / Q000379:methods*; D010809:Physical Fitness / Q000502:physiology*; D016032:Randomized Controlled Trials as Topic; D012307:Risk Factors; D012572:School Health Services / Q000458:organization & administration