Abdul-Aziz Seidu, Akwasi Kumi-Kyereme, Eugene K M Darteh
Self-reported sexual coercion among in-school young people with disabilities in Ghana
BMC public health
background obesity prevention international public health priority prevalence obesity overweight increasing child populations throughout world impacting short longterm health obesity prevention strategies children change behaviour efficacy terms preventing obesity remains poorly understood objectives assess effectiveness interventions designed prevent obesity childhood diet physical activity andor lifestyle social support search methods medline psycinfo embase cinahl central searched 1990 february 2005 nonenglish language papers included experts contacted selection criteria randomised controlled trials controlled clinical trials minimum duration twelve weeks data collection analysis two reviewers independently extracted data assessed study quality main results twentytwo studies included ten longterm least 12 months twelve shortterm 12 weeks 12 months nineteen schoolpreschoolbased interventions one communitybased intervention targeting lowincome families two familybased interventions targeting nonobese children obese overweight parents six ten longterm studies combined dietary education physical activity interventions five resulted difference overweight status groups one resulted improvements girls receiving intervention boys two studies focused physical activity alone multimedia approach appeared effective preventing obesity two studies focused nutrition education alone neither effective preventing obesity four twelve shortterm studies focused interventions increase physical activity levels two studies resulted minor reductions overweight status favour intervention eight studies combined advice diet physical activity none significant impact studies heterogeneous terms study design quality target population theoretical underpinning outcome measures making impossible combine study findings using statistical methods absence costeffectiveness data authors conclusions majority studies shortterm studies focused combining dietary physical activity approaches significantly improve bmi studies focused dietary physical activity approaches showed small positive impact bmi status nearly studies included resulted improvement diet physical activity appropriateness development design duration intensity interventions prevent obesity childhood needs reconsidered alongside comprehensive reporting intervention scope process