Proportion of children meeting recommendations for 24-hour movement guidelines and associations with adiposity in a 12-country study

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dc.contributor.authorBlanca, Roman-Viñas
dc.contributor.authorChaput, J-P.
dc.contributor.authorKatzmarzyk, Peter T.
dc.contributor.authorFogelholm, Mikael
dc.contributor.authorLambert, Estelle V.
dc.contributor.authorMaher, Carol
dc.contributor.authorMaia, Jose
dc.contributor.authorOlds, Timothy
dc.contributor.authorOnywera, Vincent
dc.contributor.authorSarmiento, Olga L.
dc.contributor.authorStandage, Martyn
dc.contributor.authorCatrine, Tudor-Locke
dc.contributor.authorTremblay, Mark S.
dc.date.accessioned2017-01-12T08:42:29Z
dc.date.available2017-01-12T08:42:29Z
dc.date.issued2016
dc.descriptionResearch paperen_US
dc.description.abstractBackground: The Canadian 24-h movement guidelines were developed with the hope of improving health and future health outcomes in children and youth. The purpose of this study was to evaluate adherence to the 3 recommendations most strongly associated with health outcomes in new 24-h movement guidelines and their relationship with adiposity (obesity and body mass index z-score) across countries participating in the International Study of Childhood Obesity, Lifestyle and the Environment (ISCOLE). Methods: Cross-sectional results were based on 6128 children aged 9–11 years from the 12 countries of ISCOLE. Sleep duration and moderate-to-vigorous physical activity (MVPA) were assessed using accelerometry. Screen time was measured through self-report. Body weight and height were measured. Body mass index (BMI, kg ·m−2) was calculated, and BMI z-scores were computed using age- and sex-specific reference data from the World Health Organization. Obesity was defined as a BMI z-score > +2 SD. Meeting the overall 24-h movement guidelines was defined as: 9 to 11 h/night of sleep, ≤2 h/day of screen time, and at least 60 min/day of MVPA. Age, sex, highest parental education and unhealthy diet pattern score were included as covariates in statistical models. Associations between meeting vs. not meeting each single recommendation (and combinations) with obesity were assessed with odds ratios calculated using generalized linear mixed models. A linear mixed model was used to examine the differences in BMI z-scores between children meeting vs. not meeting the different combinations of recommendations. Results: The global prevalence of children meeting the overall recommendations (all three behaviors) was 7%, with children from Australia and Canada showing the highest adherence (15%). Children meeting the three recommendations had lower odds ratios for obesity compared to those meeting none of the recommendations (OR = 0.28, 95% CI 0.18–0.45). Compared to not meeting the 24-h movement recommendations either independently or combined, meeting them was significantly associated with a lower BMI z-score. Whenever the MVPA recommendation was included in the analysis the odds ratios for obesity were lower.en_US
dc.identifier.citationRoman-Viñas et al. International Journal of Behavioral Nutrition and Physical Activity (2016) 13:123en_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/15272
dc.language.isoenen_US
dc.titleProportion of children meeting recommendations for 24-hour movement guidelines and associations with adiposity in a 12-country studyen_US
dc.typeArticleen_US
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