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dc.contributor.authorAadland, Eivind
dc.contributor.authorKvalheim, Olav Martin
dc.contributor.authorAnderssen, Sigmund Alfred
dc.contributor.authorResaland, Geir Kåre
dc.contributor.authorAndersen, Lars Bo
dc.PublishedAadland E, Kvalheim OM, Anderssen SA, Resaland GK, Andersen LB. The multivariate physical activity signature associated with metabolic health in children. International Journal of Behavioral Nutrition and Physical Activity. 2018;15:77eng
dc.description.abstractBackground. Physical activity is a cornerstone for promoting good metabolic health in children, but it is heavily debated which intensities (including sedentary time) are most influential. A fundamental limitation to current evidence for this relationship is the reliance on analytic approaches that cannot handle collinear variables. The aim of the present study was to determine the physical activity signature related to metabolic health in children, by investigating the association pattern for the whole spectrum of physical activity intensities using multivariate pattern analysis. Methods. We used a sample of 841 children (age 10.2 ± 0.3 years; BMI 18.0 ± 3.0; 50% boys) from the Active Smarter Kids study, who provided valid data on accelerometry (ActiGraph GT3X+) and several indices of metabolic health (aerobic fitness, abdominal fatness, insulin sensitivity, lipid metabolism, blood pressure) that were used to create a composite metabolic health score. We created 16 physical activity variables covering the whole intensity spectrum (from 0–100 to ≥ 8000 counts per minute) and used multivariate pattern analysis to analyze the data. Results. Physical activity intensities in the vigorous range (5000–7000 counts per minute) were most strongly associated with metabolic health. Moderate intensity physical activity was weakly related to health, and sedentary time and light physical activity were not related to health. Conclusions. This study is the first to determine the multivariate physical activity signature related to metabolic health in children across the whole intensity spectrum. This novel approach shows that vigorous physical activity is strongest related to metabolic health. We recommend future studies adapt a multivariate analytic approach to further develop the field of physical activity epidemiology.en_US
dc.publisherBioMed Centralen_US
dc.rightsAttribution CC BYeng
dc.subjectMultivariate pattern analysiseng
dc.subjectMetabolic risk factorseng
dc.titleThe multivariate physical activity signature associated with metabolic health in childrenen_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderCopyright 2018 The Author(s)en_US
dc.source.journalInternational Journal of Behavioral Nutrition and Physical Activity

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