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Lifetime total physical activity and prostate cancer risk: a population-based case-control study in Sweden
Karolinska Inst, Dept Med Epidemiol & Biostat, S-17177 Stockholm, Sweden..
Karolinska Inst, Dept Med, Clin Epidemiol Unit, S-17176 Stockholm, Sweden..
No Calif Canc Ctr, Fremont, CA 94538 USA.;Stanford Univ, Sch Med, Dept Hlth Res & Policy, Div Epidemiol, Stanford, CA 94305 USA..
Karolinska Inst, Dept Med Epidemiol & Biostat, S-17177 Stockholm, Sweden..ORCID iD: 0000-0003-2046-5641
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2008 (English)In: European Journal of Epidemiology, ISSN 0393-2990, E-ISSN 1573-7284, Vol. 23, no 11, p. 739-746Article in journal (Refereed) Published
Abstract [en]

The etiologic role of physical activity in prostate cancer development is unclear. We assessed the association between lifetime total physical activity and prostate cancer risk in a Swedish population-based case-control study comprising 1,449 incident prostate cancer cases and 1,118 unaffected population controls. Information regarding physical activity was obtained via a self-administered questionnaire assessing occupational, household, and recreational activity separately at various ages throughout an individual's lifetime. Clinical data (TNM-classification, Gleason sum and PSA) was obtained from linkage to the National Prostate Cancer Registry. Overall, we observed no association between lifetime total physical activity and prostate cancer risk (odds ratio [OR] = 1.04, 95% confidence interval [CI] = 0.77-1.41 for a parts per thousand yen49.7 vs. < 41.9 metabolic equivalent-hours per day). There was a significantly increased risk of prostate cancer in the most active men compared with the least active men in household (OR = 1.44, 95% CI = 1.08-1.92) and recreational physical activity (OR = 1.56, 95% CI = 1.16-2.10). Comparing the most active with the least active men, total physical activity was not associated with either localized disease (OR = 0.95, 95% CI = 0.67-1.34) or advanced disease (OR = 1.19, 95% CI = 0.83-1.71). These findings do not support the hypothesis that physical activity uniformly protects against prostate cancer development.

Place, publisher, year, edition, pages
SPRINGER , 2008. Vol. 23, no 11, p. 739-746
Keywords [en]
Case-control studies, Epidemiology, Exercise, Leisure activities, Prostatic neoplasms, Risk
National Category
Health Sciences
Identifiers
URN: urn:nbn:se:mdh:diva-40704DOI: 10.1007/s10654-008-9294-7ISI: 000261691000005PubMedID: 18931922OAI: oai:DiVA.org:mdh-40704DiVA, id: diva2:1246087
Available from: 2018-09-06 Created: 2018-09-06 Last updated: 2018-09-07Bibliographically approved

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