European Journal of Epidemiology

, Volume 8, Issue 6, pp 845–850 | Cite as

Occupational physical activity and colon cancer risk in Turkey

  • R. Vetter
  • M. Dosemeci
  • A. Blair
  • S. Wacholder
  • M. Unsal
  • K. Engin
  • J. F. FraumeniJr


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.

Key words

Colon cancer Risk factors Occupational activity Turkey 


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Copyright information

© Gustav Fischer 1992

Authors and Affiliations

  • R. Vetter
    • 1
  • M. Dosemeci
    • 1
  • A. Blair
    • 1
  • S. Wacholder
    • 1
  • M. Unsal
    • 2
  • K. Engin
    • 2
  • J. F. FraumeniJr
    • 1
  1. 1.Epidemiology and Biostatistics Program - Division of Cancer EtiologyNational Cancer InstituteBethesdaUSA
  2. 2.Oncological ClinicSSK Okemeydani HospitalInstanbulTurkey

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