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dc.contributor.authorAadland, Eivind
dc.contributor.authorAndersen, Lars Bo
dc.contributor.authorAnderssen, Sigmund Alfred
dc.contributor.authorResaland, Geir Kåre
dc.contributor.authorKvalheim, Olav Martin
dc.PublishedAadland E, Andersen LB, Anderssen SA, Resaland GK, Kvalheim OM. Associations of volumes and patterns of physical activity with metabolic health in children: A multivariate pattern analysis approach. Preventive Medicine. 2018;115:12-18eng
dc.descriptionPostponed access: the file will be accessible after 2019-08-04
dc.description.abstractPhysical activity (PA) favorably affects metabolic health in children, but it is unclear how total volumes versus patterns (bouts and breaks) of PA relate to health. By means of multivariate pattern analysis that can handle collinear variables, we determined the associations of PA volumes and patterns with children's metabolic health using different epoch settings. A sample of 841 Norwegian children (age 10.2 ± 0.3 years) provided in 2014 data on accelerometry (ActiGraph GT3X+), using epoch settings of 1, 10, and 60 s and several indices of metabolic health used to create a composite metabolic health score. We created 355 PA indices covering the whole intensity and bout duration spectrum, and used multivariate pattern analysis to analyze the data. Findings showed that bouts of PA added information about childhood health beyond total volumes of PA for all epoch settings. Yet, associations of PA patterns with metabolic health were completely dependent on the epoch settings used. Vigorous PA was strongly associated with metabolic health, while associations of light and moderate PA were weak to moderate, and associations of sedentary time with metabolic health was non-existing. Short intermittent bursts of PA were favorably associated with children's metabolic health, whereas associations of prolonged bouts were weak. This study is the first to determine the multivariate physical activity association pattern related to metabolic health in children across the whole PA intensity and bout duration spectrum. The findings challenge our understanding of PA patterns, and are of major importance for the analysis of accelerometry data.en_US
dc.rightsAttribution-Non Commercial-No Derivatives CC BY-NC-NDeng
dc.titleAssociations of volumes and patterns of physical activity with metabolic health in children: A multivariate pattern analysis approachen_US
dc.typePeer reviewed
dc.typeJournal article
dc.rights.holderCopyright 2018 Elsevieren_US
dc.source.journalPreventive Medicine

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