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Age-related differences in physical activity and depressive symptoms among 10-19-year-old adolescents: A population based study
Department of Psychology, School of Business, Reykjavik University, Reykjavik, Iceland / Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden.
Department of Psychology, School of Business, Reykjavik University, Reykjavik, Iceland / Department of Oncological Sciences, Mount Sinai School of Medicine, New York, USA.
University of Skövde, School of Health and Education. University of Skövde, Health and Education. Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden / Department of Community Medicine, Faculty of Health Sciences, UiT The Arctic University of Norway, Tromsø, Norway. (Fysisk aktivitet, IT och hälsa (FAITH), Physical Activity, IT and Health)ORCID iD: 0000-0002-4583-9315
School of Business, Reykjavik University, Reykjavik, Iceland.
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2017 (English)In: Psychology of Sport And Exercise, ISSN 1469-0292, E-ISSN 1878-5476, Vol. 28, 91-99 p.Article in journal (Refereed) Published
Abstract [en]

Objectives: The aim of this study was to examine age- and gender-related patterns of PA and depressive symptoms among students through their adolescent years. Design: Data from three population-based surveys were analysed to determine levels of moderate- to vigorous-intensity PA (MVPA), participation in organized sports and depressive symptoms among 10-19-year-old adolescents. Method: Questionnaires assessing PA and depressive symptoms were administered to 32 860 students in compulsory and upper-secondary schools in Iceland. Results: As age increased, depressive symptoms increased and PA decreased with over half of the adolescents in upper-secondary schools not achieving recommended daily PA. There were gender differences in PA and depressive symptoms with girls being less active and reporting higher levels of depressive symptoms than boys. MVPA was associated with lower levels of depressive symptoms among both genders while organized sports had more impact on depressive symptoms among girls. Conclusions: To our knowledge, this study is the first to simultaneously examine patterns of PA and depressive symptoms among students through their adolescent years. Our findings show that the decrease in PA and increase in depressive symptoms is most pronounced around the transition from compulsory to upper-secondary school, or around the age of 15-16. Thus the findings provide important information about when to tailor public health efforts to reduce the burden of depressive symptoms among adolescents, for example by employing PA interventions. (C) 2016 Elsevier Ltd. All rights reserved.

Place, publisher, year, edition, pages
Elsevier, 2017. Vol. 28, 91-99 p.
Keyword [en]
Organized sports, MVPA, Inactivity, Depression, Youth, Public health
National Category
Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:his:diva-13268DOI: 10.1016/j.psychsport.2016.10.007ISI: 000389168000011ScopusID: 2-s2.0-84994704833OAI: oai:DiVA.org:his-13268DiVA: diva2:1060641
Available from: 2016-12-29 Created: 2016-12-29 Last updated: 2017-02-14Bibliographically approved

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