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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.date.accessioned2020-05-08T07:18:45Z
dc.date.available2020-05-08T07:18:45Z
dc.date.issued2020
dc.PublishedAadland E, Andersen LB, Anderssen SA, Resaland GK, Kvalheim OM. Accelerometer epoch setting is decisive for associations between physical activity and metabolic health in children. Journal of Sports Sciences. 2020;38(3):256-263eng
dc.identifier.issn0264-0414en_US
dc.identifier.issn1466-447Xen_US
dc.identifier.urihttps://hdl.handle.net/1956/22133
dc.descriptionUnder embargo until: 2020-11-18
dc.description.abstractWhen analysing physical activity (PA) levels using accelerometry, the epoch setting is critical to capture intensity-specific PA correctly. The aim of the present study was to investigate the PA intensity signatures related to metabolic health in children using different epoch settings. A sample of 841 Norwegian children (age 10.2 ± 0.3 years; BMI 18.0 ± 3.0; 50% boys) provided 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 intensity spectra from 0–99 to ≥ 10000 counts per minute (cpm) for files aggregated using 1, 10, and 60-second epoch periods and used multivariate pattern analysis to analyse the data. The association patterns with metabolic health differed substantially between epoch settings. The intensity intervals most strongly associated with metabolic health were 7000–8000 cpm for data analysed using 1-second epoch, 5500–6500 cpm for data analysed using 10-second epoch, and 4000–5000 cpm analysed using 60-second epoch. Aggregation of data over different epoch periods has a clear impact on how PA intensities in the moderate and vigorous range are associated with childhood metabolic health.en_US
dc.language.isoengeng
dc.publisherTaylor & Francisen_US
dc.titleAccelerometer epoch setting is decisive for associations between physical activity and metabolic health in childrenen_US
dc.typePeer reviewed
dc.typeJournal article
dc.date.updated2020-02-08T08:02:24Z
dc.description.versionacceptedVersionen_US
dc.rights.holderCopyright 2019 Informa UK Limited, trading as Taylor & Francis Groupen_US
dc.identifier.doihttps://doi.org/10.1080/02640414.2019.1693320
dc.identifier.cristin1757103
dc.source.journalJournal of Sports Sciences


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