Epidemiology for Public Health Practice 5th Edition by Robert Friis,Thomas Sellers

Exercise 8

Cohort studies have some advantages over case-control studies in terms of the confidence with which their results are viewed. Suppose there have been four case-control studies of an exposure-disease association and that the range of the odds ratios is from 28.0 to 49.0. Would you advocate a cohort study? Justify your answer.