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Occupational physical activity and renal cell cancer a nationwide cohort study in Sweden

Bergström, A., (författare)
Department of Medical Epidemiology, Karolinska Institutet, Stockholm, Sweden
Moradi, T., (författare)
Department of Medical Epidemiology, Karolinska Institutet, Stockholm, Sweden
Lindblad, Per, 1953- (författare)
Department of Medical Epidemiology, Karolinska Institutet, Stockholm, Sweden; Department of Urology, Sundsvall Hospital, Sundsvall, Sweden
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Nyren, O., (författare)
Department of Medical Epidemiology, Karolinska Institutet, Stockholm, Sweden
Adami, H. O., (författare)
Department of Medical Epidemiology, Karolinska Institutet, Stockholm, Sweden; Department of Epidemiology and Harvard Center for Cancer Prevention, Harvard School of Public Health, Boston, MA, USA
Wolk, A., (författare)
Department of Medical Epidemiology, Karolinska Institutet, Stockholm, Sweden
Bergstrom, A, (författare)
Karolinska Institutet
Lindblad, P (författare)
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1999
Engelska.
Ingår i: International Journal of Cancer. - New York, USA : John Wiley & Sons. - 0020-7136. - 0020-7136 (Print) 0020-7136 (Linking) ; 83:2, s. 186-91
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  • Tidskriftsartikel (refereegranskat)
Abstract Ämnesord
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  • The causes of renal cell cancer remain incompletely understood. In one previous retrospective case-control study, high occupational physical activity has been associated with a decreased risk among men, but not among women. Our aim was to investigate the association between occupational physical activity and renal cell cancer in a large cohort in Sweden. A cohort of Swedish men and women was identified in the nationwide censuses in 1960 and 1970, and the reported occupations were classified into 4 levels of physical demands. Follow-up from 1971 through 1989 was accomplished through record linkages to the Swedish Cancer Registry. Multivariate Poisson regression models were used to estimate relative risk (RR) and 95% confidence intervals (CI). We found a monotonic increase in risk of renal cell cancer with decreasing level of occupational physical activity among men (p for trend <0.001). After adjustment for socio-economic status, place of residence, and calendar year of follow-up, men with long-term sedentary jobs had a 25% (RR = 1.25, 95% CI 1.02-1.53) increased risk compared to men with physically demanding occupations. Among women there was no association, the dose-risk trend was not significant (p for trend >0.50). Occupational physical activity was inversely associated with renal cell cancer among men. The absence of association among women might be due to smaller range of exposure, confounding by household work or reproductive factors, or to a difference in biological response to physical activity in men and women.

Ämnesord

MEDICIN OCH HÄLSOVETENSKAP  -- Klinisk medicin -- Cancer och onkologi (hsv//swe)
MEDICAL AND HEALTH SCIENCES  -- Clinical Medicine -- Cancer and Oncology (hsv//eng)

Nyckelord

Adult
Aged
Aged
80 and over
Carcinoma
Renal Cell/*epidemiology
Cohort Studies
Female
Humans
Kidney Neoplasms/*epidemiology
Male
Middle Aged
Occupational Diseases/*epidemiology
*Physical Exertion
Poisson Distribution
Risk Factors
Sweden/epidemiology

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