Association between body mass index and individual characteristics and the school context: a multilevel study with Portuguese children
Journal Title: Jornal de Pediatria - Year 2018, Vol 94, Issue 3
Abstract
Objective The aim of this study was to examine the association between individual and school context characteristics with the body mass index of Portuguese children. Methods The sample comprised 1641 children (847 boys) aged 6–10 years from the North and Central regions of Portugal. Regarding the individual characteristics, age, gender, city of residence, levels of physical activity, and physical fitness were assessed. Concerning the school context characteristics, the surrounding environment, school size, presence of recreational characteristics and space, and presence of a sports court and of physical education classes were considered. Children's body mass index was the dependent variable. The multilevel analysis was carried out in HLM 7.0 software. Results The predictors of the child and the school context explained, respectively, 97.3% and 2.7% of the total body mass index variance. Regarding the individual characteristics, older children, boys, and those who had lower performance at the 1-mile run/walk, curl-up, push-up, and higher performance in trunk lift tests showed higher BMI. Further, urban schools with higher recreational spaces were positively associated with children's body mass index. Conclusion School context variables have a reduced effect on body mass index variation compared to the children's biological and behavioral characteristics. The authors therefore encourage strategies that aim to increasing children's physical fitness levels to help prevent excess weight.
Authors and Affiliations
Rafael Henrique
Keywords
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- EP ID EP485100
- DOI 10.1016/j.jped.2017.06.017
- Views 63
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