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Cohort studies compare individuals exposed and unexposed to a hypothesized risk factor, and the respective proportions who develop the disease over a specified period of time. This chapter introduces the main elements of the cohort design. To facilitate exposition, it describes as a prototype a prospective population cohort study.
Keywords: cohort studies; population studies; hypothesized risk factor; exposition
Chapter. 8311 words.
Subjects: Public Health and Epidemiology ; Medical Statistics and Methodology
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