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dc.contributor.authorMelkevik, Ole
dc.contributor.authorHaug, Ellen
dc.contributor.authorRasmussen, Mette
dc.contributor.authorFismen, Anne-Siri
dc.contributor.authorWold, Bente
dc.contributor.authorBorraccino, Alberto
dc.contributor.authorSigmund, Erik
dc.contributor.authorBalazsi, Robert
dc.contributor.authorBucksch, Jens
dc.contributor.authorInchley, Jo
dc.contributor.authorde Matos, Maria Margarida Nunes Gaspar
dc.contributor.authorSamdal, Oddrun
dc.identifier.citationBMC Public Health 2015, 15:497eng
dc.description.abstractBackground The use of electronic media has been found to be a risk factor for higher BMI and for being overweight. Physical activity has been found to be associated with lower BMI and lower risk for being overweight. Little is known about whether the associations between physical activity and electronic media use are additive or interactive in predicting BMI and risk for overweight among adolescents. Methods The data used in this study stem from the 2009/2010 survey of “Health Behaviour in School-aged Children (HBSC) study: A WHO Cross-National Survey. The sample consisted of 107184 13 and 15 year students from 30 different countries. Multilevel regression models were used to produce the presented estimates. Results Overall, 18% of boys and 11% of girls were classified as overweight. EM use was found to be associated with increased BMI z-scores and odds for overweight among both boys and girls who did not comply with physical activity guidelines. Among physically active adolescents, EM was found to be significantly associated with BMI or odds for overweight among girls, but not among boys. Conclusion While the usage of EM appear to be inconsequential for BMI and the risk of overweight among physically active boys, we find evidence indicating that EM use is associated with BMI and risk for overweight among girls, including those who report complying with MVPA guidelines.eng
dc.publisherBioMed Centraleng
dc.rightsAttribution CC BYeng
dc.subjectelectronic mediaeng
dc.subjectphysical activityeng
dc.titleAre associations between electronic media use and BMI different across levels of physical activity?eng
dc.typeJournal articleeng
dc.subject.nsiVDP::Medisinske fag: 700::Helsefag: 800::Samfunnsmedisin, sosialmedisin: 801
dc.subject.nsiVDP::Midical sciences: 700::Health sciences: 800::Community medicine, social medicine: 801
dc.rights.holderCopyright Melkevik et al.; licensee BioMed Central. 2015eng
bora.peerreviewedPeer reviewedeng
dc.type.documentJournal article
noa.nsiVDP::Medisinske Fag: 700eng

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