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dc.contributor.authorLangvik, Eva
dc.contributor.authorSaksvik-Lehouillier, Ingvild
dc.contributor.authorKennair, Leif Edward Ottesen
dc.contributor.authorSørengaard, Torhild Anita
dc.contributor.authorBendixen, Mons
dc.identifier.citationHealth Psychology and Behavioral Medicine. 2019, 7 (1), 179-192.nb_NO
dc.description.abstractObjective: Scant research exists on the gender-specific association between physical activity, insomnia symptoms and depressive symptoms among adolescents. The present study investigates the direct and indirect association of insomnia and physical activity with symptoms of depression. Design: In a community-based sample (N = 1485) we investigated factors associated with symptoms of depression focusing on insomnia. The study also included measures of physical activity and controlled for parental work- and sexual minority status. Body mass Index (BMI) was calculated for a sub-sample (n = 617) reporting weight and height. Results: The results showed that self-reported insomnia was highly prevalent, and the association between insomnia and depression was strong. The association between insomnia and depression was significantly stronger for girls than for boys. The effect of physical activity was substantially weaker compared to insomnia. Insomnia mediated the relationship between physical activity and depression for both boys and girls. Despite expectation based on the existing literature, BMI showed no association with symptoms of depression or physical activity. Conclusion: The results address the importance of a gender-specific approach when investigating mental health among adolescents. Given the high prevalence, interventions aimed at reducing insomnia is important in the prevention of mental illness, especially among girls.nb_NO
dc.publisherTaylor & Francisnb_NO
dc.rightsNavngivelse 4.0 Internasjonal*
dc.titleGender differences in factors associated with symptoms of depression among high school students: an examination of the direct and indirect effects of insomnia symptoms and physical activitynb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.source.journalHealth Psychology and Behavioral Medicinenb_NO
dc.description.localcode© 2019 The Author(s). Published by Informa UK Limited, trading as Taylor & Francis Group This is an Open Access article distributed under the terms of the Creative Commons Attribution License (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.nb_NO
cristin.unitnameInstitutt for psykologi

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