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dc.contributor.authorHaapala, Eero A.
dc.contributor.authorVäistö, Juuso
dc.contributor.authorLintu, Niina
dc.contributor.authorWestgate, Kate
dc.contributor.authorEkelund, Ulf
dc.contributor.authorPoikkeus, Anna-Maija
dc.contributor.authorBrage, Søren
dc.contributor.authorLakka, Timo A.
dc.date.accessioned2017-03-07T09:00:48Z
dc.date.available2017-03-07T09:00:48Z
dc.date.issued2016-11
dc.identifier.citationJournal of Science and Medicine in Sport. 2016, under utgivelse. doi: http://dx.doi.org/10.1016/j.jsams.2016.11.003nb_NO
dc.identifier.urihttp://hdl.handle.net/11250/2433067
dc.description.abstracttObjectives: To investigate the independent and combined associations of objectively measured moderate-to-vigorous physical activity (MVPA) and sedentary time (ST) with reading and arithmetic skills.Design: Cross-sectional/prospective.Methods: Participants were 89 boys and 69 girls aged 6–8 years. MVPA and ST were measured using a com-bined heart rate and movement sensor and body fat percentage by dual-energy X-ray absorptiometry inGrade 1. Reading fluency, reading comprehension, and arithmetic skills were assessed using standardizedtests in Grades 1–3. The data were analyzed using linear regression analyses and analyses of covariancewith repeated measures.Results: In boys, MVPA was directly and ST inversely associated with reading fluency in Grades 1–3and arithmetic skills in Grade 1 (P < 0.05). Higher levels of MVPA were also related to better readingcomprehension in Grade 1 (P < 0.05). Most of the associations of MVPA and ST with reading and arithmeticskills attenuated after mutual adjustment for MVPA or ST. Furthermore, boys with a combination of lowerlevels of MVPA and higher levels of ST had consistently poorer reading fluency (P = 0.002) and readingcomprehension (P = 0.027) across Grades 1–3 than other boys. In girls, ST was directly associated witharithmetic skills in Grade 2 (P < 0.05). However, this relationship of ST with arithmetic skills was no longersignificant after adjustment for body fat percentage.Conclusions: Lower levels of MVPA and higher levels of ST and particularly their combination were relatedto poorer reading skills in boys. In girls, higher levels of ST were related to better arithmetic skills.nb_NO
dc.language.isoengnb_NO
dc.publisherElseviernb_NO
dc.subjectmotor activitynb_NO
dc.subjectsedentary behaviornb_NO
dc.subjectacademic performancenb_NO
dc.subjectcognitionnb_NO
dc.subjectpediatricsnb_NO
dc.titlePhysical activity and sedentary time in relation to academic achievement in childrennb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.subject.nsiVDP::Samfunnsvitenskap: 200::Samfunnsvitenskapelige idrettsfag: 330::Andre idrettsfag: 339nb_NO
dc.source.journalJournal of Science and Medicine in Sportnb_NO
dc.identifier.doihttp://dx.doi.org/10.1016/j.jsams.2016.11.003
dc.description.localcodeSeksjon for idrettsmedisinske fag / Department of Sports Medicinenb_NO


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