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Impact of a physical activity intervention on adolescents' subjective sleep quality: a pilot study
Department of Psychology, School of Business, Reykjavik University, Iceland / Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Sweden.
Department of Psychology, School of Business, Reykjavik University, Iceland / ICSRA (Icelandic Centre for Social Research and Analysis), Reykjavik University, Iceland.
Department of Psychology, School of Business, Reykjavik University, Iceland / ICSRA (Icelandic Centre for Social Research and Analysis), Reykjavik University, Iceland / Department of Health & Behavior Studies, Teachers College, Columbia University, New York, NY, USA.
Högskolan i Skövde, Institutionen för hälsa och lärande. Högskolan i Skövde, Forskningsspecialiseringen Hälsa och Lärande. Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy at University of Gothenburg, Sweden / Department of Community Medicine, UiT The Arctic University of Norway, Tromsø, Norway. (Fysisk aktivitet, IT och hälsa)ORCID-id: 0000-0002-4583-9315
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2017 (Engelska)Ingår i: Global Health Promotion, ISSN 1757-9759, E-ISSN 1757-9767, Vol. 24, nr 4, s. 14-22Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

BACKGROUND: The aim of this pilot study was to examine the impact of a brief physical activity intervention on adolescents' subjective sleep quality. Cross-sectional studies indicate that physically active adolescents have better subjective sleep quality than those with more sedentary habits. However, less is known about the effectiveness of physical activity interventions in improving adolescents' subjective sleep quality.

METHODS: In a three-week physical activity intervention, four Icelandic upper secondary schools were randomized to either an intervention group with pedometers and step diaries or a control group without pedometers and diaries. Out of 84, a total of 53 students, aged 15-16 years, provided complete data or a minimum of two days step data (out of three possible) as well as sleep quality measures at baseline and follow-up. Subjective sleep quality, the primary outcome in this study, was assessed with four individual items: sleep onset latency, nightly awakenings, general sleep quality, and sleep sufficiency. Daily steps were assessed with Yamax CW-701 pedometers.

RESULTS: The intervention group (n = 26) had significantly higher average step-count (p = 0.03, partial η(2) = 0.093) compared to the control group (n = 27) at follow-up. Subjective sleep quality improved (p = 0.02, partial η(2) = 0.203) over time in the intervention group but not in the control group.

CONCLUSIONS: Brief physical activity interventions based on pedometers and step diaries may be effective in improving adolescents' subjective sleep quality. This has important public health relevance as the intervention can easily be disseminated and incorporated into school curricula.

Ort, förlag, år, upplaga, sidor
Sage Publications, 2017. Vol. 24, nr 4, s. 14-22
Nationell ämneskategori
Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi
Forskningsämne
Medicin; Fysisk aktivitet, idrott, hälsa och digital teknik
Identifikatorer
URN: urn:nbn:se:his:diva-12250DOI: 10.1177/1757975915626112ISI: 000418695800003PubMedID: 27173502Scopus ID: 2-s2.0-85039898414OAI: oai:DiVA.org:his-12250DiVA, id: diva2:928157
Tillgänglig från: 2016-05-15 Skapad: 2016-05-15 Senast uppdaterad: 2018-01-11Bibliografiskt granskad

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