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dc.contributor.authorGammon, Catherine
dc.contributor.authorAtkin, Andrew J
dc.contributor.authorCorder, Kirsten
dc.contributor.authorEkelund, Ulf
dc.contributor.authorHansen, Bjørge Herman
dc.contributor.authorSherar, Lauren B
dc.contributor.authorAndersen, Lars Bo
dc.contributor.authorAnderssen, Sigmund
dc.contributor.authorDavey, Rachel
dc.contributor.authorHallal, Pedro C
dc.contributor.authorJago, Russell
dc.contributor.authorKriemler, Susi
dc.contributor.authorKristensen, Peter Lund
dc.contributor.authorKwon, Soyang
dc.contributor.authorNorthstone, Kate
dc.contributor.authorPate, Russell
dc.contributor.authorSalmon, Jo
dc.contributor.authorSardinha, Luis B
dc.contributor.authorVan Sluijs, Esther
dc.contributor.authorInternational Children’s Accelerometry Database (ICAD) collaborators
dc.date.accessioned2022-01-15T00:30:31Z
dc.date.available2022-01-15T00:30:31Z
dc.date.issued2022-02-21
dc.identifier.issn0195-9131
dc.identifier.urihttps://www.repository.cam.ac.uk/handle/1810/332729
dc.description.abstractINTRODUCTION: The United Kingdom and World Health Organization recently changed their youth physical activity (PA) guidelines from 60 minutes of moderate-vigorous PA (MVPA) every day, to an average of 60 minutes of MVPA per day, over a week. The changes are based on expert opinion due to insufficient evidence comparing health outcomes associated with different guideline definitions. This study used the International Children's Accelerometry Database to compare approaches to calculating youth PA compliance and associations with health indicators. METHODS: Cross-sectional accelerometer data (n = 21,612, 5-18y) was used to examine compliance with four guideline definitions: daily method (DM; ≥60 minutes MVPA every day), average method (AM; average of ≥60 minutes MVPA per day), AM5 (AM compliance and ≥ five minutes of vigorous PA [VPA] on ≥three days), AM15 (AM compliance and ≥ 15 minutes VPA on ≥three days). Associations between compliance and health indicators were examined for all definitions. RESULTS: Compliance varied from 5·3% (DM) to 29·9% (AM). Associations between compliance and health indicators were similar for AM, AM5, and AM15. For example, compliance with AM, AM5, and AM15 was associated with a lower BMI z-score (statistics are coefficient [95%CI]): AM (-0.28[-0.33,-0.23]), AM5 (-0.28[-0.33,-0.23], AM15 (-0.30[-0.35,-0.25]). Associations between compliance and health indicators for DM were similar/weaker, possibly reflecting fewer DM-compliant participants with health data and lower variability in exposure/outcome data. CONCLUSIONS: Youth completing 60 minutes of MVPA every day do not experience superior health benefits to youth completing an average of 60 minutes of MVPA per day. Guidelines should encourage youth to achieve an average of 60 minutes of MVPA per day. Different guideline definitions impact inactivity prevalence estimates; this must be considered when analyzing data and comparing studies.
dc.description.sponsorshipThe pooling of the data was funded through a grant from the National Prevention Research Initiative (Grant Number: G0701877) (http://www.mrc.ac.uk/research/initiatives/national-prevention-research-initiative-npri/). The funding partners relevant to this award are: British Heart Foundation; Cancer Research UK; Department of Health; Diabetes UK; Economic and Social Research Council; Medical Research Council; Research and Development Office for the Northern Ireland Health and Social Services; Chief Scientist Office; Scottish Executive Health Department; The Stroke Association; Welsh Assembly Government and World Cancer Research Fund. This work was additionally supported by the Medical Research Council [MC_UU_12015/3; MC_UU_12015/7], The Research Council of Norway (249932/F20), Bristol University, Loughborough University and Norwegian School of Sport Sciences.
dc.publisherOvid Technologies (Wolters Kluwer Health)
dc.rightsAll Rights Reserved
dc.rights.urihttp://www.rioxx.net/licenses/all-rights-reserved
dc.titleInfluence of Guideline Operationalization on Youth Activity Prevalence in the International Children's Accelerometry Database.
dc.typeArticle
dc.publisher.departmentMrc Epidemiology Unit
dc.date.updated2022-01-13T12:07:22Z
prism.publicationNameMed Sci Sports Exerc
dc.identifier.doi10.17863/CAM.80170
dcterms.dateAccepted2022-01-12
rioxxterms.versionofrecord10.1249/MSS.0000000000002884
rioxxterms.versionAM
dc.contributor.orcidVan Sluijs, Esther [0000-0001-9141-9082]
dc.identifier.eissn1530-0315
rioxxterms.typeJournal Article/Review
pubs.funder-project-idMedical Research Council (MC_UU_12015/7)
pubs.funder-project-idMRC (MC_UU_00006/5)
pubs.funder-project-idMedical Research Council (G0701877)
cam.orpheus.successWed Mar 23 10:26:23 GMT 2022 - Embargo updated*
cam.orpheus.counter2
cam.depositDate2022-01-13
pubs.licence-identifierapollo-deposit-licence-2-1
pubs.licence-display-nameApollo Repository Deposit Licence Agreement
rioxxterms.freetoread.startdate2023-02-21


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