Journal
AMERICAN JOURNAL OF PREVENTIVE MEDICINE
Volume 54, Issue 4, Pages 510-518Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.amepre.2018.01.017
Keywords
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Funding
- Build Our Kids Success, an initiative of the Reeboks Foundation
- Boston Foundation
- Eunice Kennedy Shriver National Institute of Child Health and Human Development grant through the Harvard Pediatric Health Services Research Fellowship [T32HD075727]
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Introduction: The effects of Build Our Kids Success-a 12-week, 1-hour before-school physical activity program-on BMI and social-emotional wellness among kindergarten to eighth grade students was examined. Study Design: This was a nonrandomized trial. Setting/participants: Participants were from 24 schools in Massachusetts; there were 707 children from kindergarten to eighth grade. Intervention: Children registered for Build Our Kids Success in 2015-2016 participated in a 2 days/week or 3 days/week program. Nonparticipating children served as controls. Main outcome measures: At baseline and 12 weeks, study staff measured children's heights/weights; children aged >= 8 years completed surveys. Main outcomes were 12-week change in BMI z-score, odds of a lower BMI category at follow-up, and child report of social-emotional wellness. Analyses were completed in March-June 2017. Results: Follow-up BMI was obtained from 67% of children and self-reported surveys from 72% of age-eligible children. Children in the 3 days/week group had improvements in BMI z-score (-0.22, 95% CI= -0.31, -0.14) and this mean change was significantly different than the comparison group (-0.17 difference, 95% CI= -0.27, -0.07). Children in the 3 days/week group also had higher odds of being in a lower BMI category at follow-up (OR=1.35, 95% CI=1.12, 1.62); significantly different than the comparison group (p<0.01). Children in the 2 days/week program had no significant changes in BMI outcomes. Children in the 3 days/week group demonstrated improvement in their student engagement scores (0.79 units, p=0.05) and had nonsignificant improvements in reported peer relationships, affect, and life satisfaction versus comparison. The 2 days/week group had significant improvements in positive affect and vitality/energy versus comparison. Conclusions: A 3 days/week before-school physical activity program resulted in improved BMI and prevented increases in child obesity. Both Build Our Kids Success groups had improved social-emotional wellness versus controls. (C) 2018 American Journal of Preventive Medicine. Published by Elsevier Inc. All rights reserved.
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