Active school transport and weekday physical activity in 9–11-year-old children from 12 countries

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dc.contributor.authorDenstel, K.D.
dc.contributor.authorBroyles, S.T.
dc.contributor.authorLarouche, R.
dc.contributor.authorSarmiento, O.L.
dc.contributor.authorBarreira, T.V.
dc.contributor.authorChaput, J-P.
dc.contributor.authorChurch, T.S.
dc.contributor.authorFogelholm, M.
dc.contributor.authorHu, G.
dc.contributor.authorKuriyan, R.
dc.contributor.authorKurpad, A.
dc.contributor.authorLambert, E.V.
dc.contributor.authorMaher, C.
dc.contributor.authorMaia, J.
dc.contributor.authorMatsudo, V.
dc.contributor.authorOlds, T.
dc.contributor.authorOnywera, V.O.
dc.contributor.authorStandage, M.
dc.contributor.authorTremblay, M.S.
dc.contributor.authorTudor-Locke, C.
dc.contributor.authorZhao, P.
dc.contributor.authorKatzmarzyk, P.T.
dc.date.accessioned2016-01-04T09:31:06Z
dc.date.available2016-01-04T09:31:06Z
dc.date.issued2015
dc.descriptiondoi:10.1038/ijosup.2015.26en_US
dc.description.abstractOBJECTIVES: Active school transport (AST) may increase the time that children spend in physical activity (PA). This study examined relationships between AST and weekday moderate-to-vigorous physical activity (MVPA), light physical activity (LPA), sedentary time (SED) and total activity during naturally organized time periods (daily, before school, during school and after school) in a sample of children from 12 countries. METHODS: The sample included 6224 children aged 9–11 years. PA and sedentary time were objectively measured using Actigraph accelerometers. AST was self-reported by participants. Multilevel generalized linear and logistic regression statistical models were used to determine associations between PA, SED and AST across and within study sites. RESULTS: After adjustment for age, highest parental educational attainment, BMI z-score and accelerometer wear time, children who engaged in AST accumulated significantly more weekday MVPA during all studied time periods and significantly less time in LPA before school compared with children who used motorized transport to school. AST was unrelated to time spent in sedentary behaviors. Across all study sites, AST was associated with 6.0 min (95% confidence interval (CI): 4.7–7.3; Po0.0001) more of weekday MVPA; however, there was some evidence that this differed across study sites (P for interaction = 0.06). Significant positive associations were identified within 7 of 12 study sites, with differences ranging from 4.6 min (95% CI: 0.3–8.9; P = 0.04, in Canada) to 10.2 min (95% CI: 5.9–14.4; Po0.0001, in Brazil) more of daily MVPA among children who engaged in AST compared with motorized transport. CONCLUSIONS: The present study demonstrated that AST was associated with children spending more time engaged in MVPA throughout the day and less time in LPA before school. AST represents a good behavioral target to increase levels of PA in children.en_US
dc.description.sponsorshipThe Coca-Cola Companyen_US
dc.identifier.citationInternational Journal of Obesity Supplements (2015) 5, S100–S106en_US
dc.identifier.issn2046-2166
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/14006
dc.language.isoenen_US
dc.publisherNature Publishing Groupen_US
dc.titleActive school transport and weekday physical activity in 9–11-year-old children from 12 countriesen_US
dc.typeArticleen_US
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