When selecting an external comparison group for an exposure-based coh.pdf
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The main goal of selecting an external comparison group for an exposure-based cohort study is to make the two study groups as similar as possible on all factors except for the exposure of interest. This ensures a more accurate comparison of outcomes between exposed and unexposed individuals.
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When selecting an external comparison group for an exposure-based coh.pdf
- 1. When selecting an external comparison group for an exposure-based cohort study, what is the investigator's main goal? Include participants who already have the outcome Include participants who are not at risk for the outcome Make the two study groups as different as possible with respect to demographic characteristics Make the two study groups as similar as possible on all factors except for the exposure of interest