case-control studies

respiratory disease outbreaks
September 27, 2019
The following data was collected in a survey of 8th graders
September 27, 2019


In case-control studies, the odds ratio is used as an estimate of the relative risk. In order for this

approximation to be reasonable, some conditions must be met. Which of the following conditions is not necessary in order to use the odds ratio to estimate the relative risk?

A. Cases are representative of all cases.

B. With respect to exposure, controls are representative of the population to which you want to generalize your results.

C. The exposure in question is rare in the population.

D. The event (disease) under study is rare in the population

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