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Sedentary leisure-time in relation to mortality and survival time
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics. Karolinska Inst, Inst Environm Med, Unit Nutr Epidemiol, Stockholm, Sweden.ORCID iD: 0000-0003-0118-0341
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Surgical Sciences, Orthopaedics. Karolinska Inst, Inst Environm Med, Unit Nutr Epidemiol, Stockholm, Sweden.ORCID iD: 0000-0001-7387-6845
2019 (English)In: Journal of Science and Medicine in Sport, ISSN 1440-2440, E-ISSN 1878-1861, Vol. 22, no 5, p. 562-567Article in journal (Refereed) Published
Abstract [en]

Objective: To examine the association between sedentary leisure-time and all-cause mortality and differences in survival time.

Design: Prospective cohort study.

Methods: Information on sedentary leisure-time, defined as TV viewing and/or sitting reading, was collected from 72 003 Swedish adults who were 45-83 (median 60) years of age and completed a self-administered questionnaire at baseline and were followed up for 17 years through linkage with the Swedish Death Register.

Results: The association between sedentary leisure-time and all-cause mortality was modified by age with a more pronounced association in middle-aged (<60 years of age) than in older adults (>= 60 years of age) (p-interaction <0.001). During follow-up, 3358 and 15 217 deaths occurred in the middle-aged and older age group, respectively. The multivariable-adjusted hazard ratios for the highest (>6 h/day) versus lowest category (<1 h/day) of sedentary leisure-time were 1.72 (95% confidence interval [CI] 1.29-2.30) in middle-aged adults and 1.19 (95% CI 1.05-1.36) in older adults. This corresponded to a difference in survival time of respectively 2.4 (95% CI -4.1 to -0.8) years and 1.5 (95% CI -2.2 to -0.7) years.

Conclusions: Prolonged sedentary leisure-time was associated with a significantly decreased survival time up to 2.4 years in middle-aged adults. 

Place, publisher, year, edition, pages
ELSEVIER SCI LTD , 2019. Vol. 22, no 5, p. 562-567
Keywords [en]
Cohort studies, Mortality, Sedentary leisure-time, Survival, TV viewing
National Category
Geriatrics Public Health, Global Health, Social Medicine and Epidemiology
Identifiers
URN: urn:nbn:se:uu:diva-386182DOI: 10.1016/j.jsams.2018.11.020ISI: 000468256300013PubMedID: 30522752OAI: oai:DiVA.org:uu-386182DiVA, id: diva2:1327152
Funder
Swedish Research Council, 2017-00644Available from: 2019-06-19 Created: 2019-06-19 Last updated: 2019-06-19Bibliographically approved

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Larsson, Susanna C.Wolk, Alicja

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