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Eur J Epidemiol. 1992 Nov;8(6):845-50.

Occupational physical activity and colon cancer risk in Turkey.

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Epidemiology and Biostatistics Program, National Cancer Institute, Bethesda, Maryland 20892.


A case-control study of 107 colon cancer cases and 486 controls from an oncological clinic in Istanbul was conducted to examine the association between occupational physical activity and colon cancer in Turkey, where incidence of this disease is low. Only two of the four activity measures showed evidence of an increased colon cancer risk for sedentary jobs (time spent sitting OR = 1.5 and occupational energy expenditure OR = 1.6); neither was statistically significant. Subjects below age 55 showed higher risk associated with sedentary jobs than did the older age group, probably due to their adoption of a more western lifestyle, including dietary habits, less activity, and other factors that may interact to increase the risk of colon cancer.

[Indexed for MEDLINE]

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