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dc.contributor.authorSkarpsno, Eivind S.
dc.contributor.authorMork, Paul Jarle
dc.contributor.authorNilsen, Tom Ivar Lund
dc.contributor.authorJørgensen, Marie Birk
dc.contributor.authorHoltermann, Andreas
dc.date.accessioned2020-01-14T10:02:52Z
dc.date.available2020-01-14T10:02:52Z
dc.date.created2017-11-06T11:02:24Z
dc.date.issued2018
dc.identifier.citationScandinavian Journal of Work, Environment and Health. 2018, 44 (2), 202-211.nb_NO
dc.identifier.issn0355-3140
dc.identifier.urihttp://hdl.handle.net/11250/2636139
dc.description.abstractObjectives This study aimed to investigate (i) the associations between occupational physical activity (OPA) and leisure-time physical activity (LTPA) with insomnia symptoms and non-restorative sleep and (ii) the joint associations between OPA and LTPA with insomnia symptoms and non-restorative sleep, respectively. Methods Data were drawn from a cross-sectional study including 650 workers in the Danish PHysical ACTivity cohort with Objective measurements (DPhacto). OPA and LTPA were measured with accelerometers on the thigh and upper back for up to six consecutive days and subsequently divided into quartiles of “very low”, “low”, “medium” and “high” activity. We used logistic regression to calculate odds ratios (OR) with 95% confidence intervals (CI) for insomnia symptoms and non-restorative sleep associated with OPA and LTPA. Results A 10% increase in OPA was associated with a higher prevalence of insomnia symptoms (OR 1.39, 95% CI 1.03–1.89) but not with the prevalence of non-restorative sleep (OR 0.93, 95% CI 0.71–1.21). On the other hand, a 10% increase in LTPA was associated with a lower prevalence of non-restorative sleep (OR 0.51, 95% CI 0.28–0.92). Although no significant additive interaction was found, analyses of the joint association of OPA and LTPA showed that people with high OPA and low LTPA had an OR of 2.07 (95% CI 1.01–4.24) for insomnia symptoms, compared to those with low OPA and high LTPA, whereas people with high levels of both OPA and LTPA had an OR of 1.47 (95% CI 0.73–2.96). Conclusions While LTPA was associated with lower prevalence of sleep problems, OPA was associated with higher prevalence of insomnia symptoms. A combination of high OPA and low LTPA were more strongly associated with insomnia symptoms compared to a combination of low OPA and high LTPA.nb_NO
dc.language.isoengnb_NO
dc.publisherNordic Association of Occupational Safety and Health (NOROSH)nb_NO
dc.titleObjectively measured occupational and leisure-time physical activity: cross-sectional associations with sleep problemsnb_NO
dc.typeJournal articlenb_NO
dc.typePeer reviewednb_NO
dc.description.versionpublishedVersionnb_NO
dc.source.pagenumber202-211nb_NO
dc.source.volume44nb_NO
dc.source.journalScandinavian Journal of Work, Environment and Healthnb_NO
dc.source.issue2nb_NO
dc.identifier.doi10.5271/sjweh.3688
dc.identifier.cristin1511169
dc.description.localcodeCopyright (c) Scandinavian Journal of Work, Environment & Health.nb_NO
cristin.unitcode194,65,20,0
cristin.unitnameInstitutt for samfunnsmedisin og sykepleie
cristin.ispublishedtrue
cristin.fulltextpostprint
cristin.qualitycode1


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