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Different study designs in the epidemiology of cancer: case-control vs. cohort studies
Harminder Singh1, Salaheddin M Mahmud
1Department of Medicine, University of Manitoba, Winnipeg, MB, Canada.
Abstract:
It is only since the 1950s that most of the epidemiology studies on cancer have been conducted. The principal study designs for epidemiologic study of cancer etiology are case-control and cohort studies. These study designs have complimentary roles and distinct advantages and disadvantages. This chapter provides historical perspectives, description of the traditional and variant designs of case-control and cohort studies, and the relative advantages and disadvantages of these study designs.
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