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dc.contributor.authorMäättä, Suvi
dc.contributor.authorNuutinen, Teija
dc.contributor.authorRay, Carola
dc.contributor.authorEriksson, Johan G.
dc.contributor.authorWeiderpass, Elisabete
dc.contributor.authorRoos, Eva
dc.date.accessioned2017-03-09T09:25:59Z
dc.date.available2017-03-09T09:25:59Z
dc.date.issued2016-02-08
dc.description.abstractBackground: The aim of this study is to assess the repeatability and validity of the Finnish 11-year old children’s out-of-school physical activity (PA) questionnaire using accelerometer as reference method. A sub-sample of children (N = 155, 60 % participant rate) participating in the Finnish Health in Teens study was recruited in 2013. Children completed a questionnaire measuring PA two times, and wore an accelerometer for seven days. The questions and accelerometer data were transformed into average minutes of behaviors per day. Repeatability was measured by intra-class correlations. To test validity, Spearman correlations between the questions and accelerometer was checked and the Bland-Altman model was conducted. Kruskall-Wallis tests were conducted to examine the ranking capability of questionnaire. <p>Results: The intra-class correlations between two measurement times of questionnaire had substantial agreement. The Spearman correlations between the questions and accelerometer were poor. Based on Kruskal-Wallis tests, the questionnaire was moderately able to rank children according to their levels of PA. <p>Conclusions: The repeatability of the questionnaire had substantial agreement among 11-years-old, whereas it moderately classifies objectively measured PA. If the aim is to measure children’s duration of PA, the accelerometer might be a better measurement method to use among 11-year old children. If the aim is to classify children according to their behavior, then the used questionnaire is moderately appropriate.en_US
dc.descriptionPublished version. Source at <a href=http://dx.doi.org/10.1186/s13690-016-0123-2> http://dx.doi.org/10.1186/s13690-016-0123-2 </a>en_US
dc.identifier.citationMäättä S. et.al.: Validity of self-reported out-of-school physical activity among finnish 11-year-old children. Archives of Public Health. 2016;74:11:1-5en_US
dc.identifier.cristinIDFRIDAID 1446977
dc.identifier.doi10.1186/S13690-016-0123-2
dc.identifier.issn0778-7367
dc.identifier.issn2049-3258
dc.identifier.urihttps://hdl.handle.net/10037/10498
dc.language.isoengen_US
dc.publisherBioMed Centralen_US
dc.relation.journalArchives of Public Health
dc.rights.accessRightsopenAccessen_US
dc.subjectVDP::Medisinske Fag: 700::Helsefag: 800en_US
dc.subjectVDP::Medical disciplines: 700::Health sciences: 800en_US
dc.subjectvalidation studiesen_US
dc.subjecthealth behavioren_US
dc.subjectphysical activityen_US
dc.subjectexerciseen_US
dc.subjectassessment toolen_US
dc.titleValidity of self-reported out-of-school physical activity among finnish 11-year-old childrenen_US
dc.typeJournal articleen_US
dc.typeTidsskriftartikkelen_US
dc.typePeer revieweden_US


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