Question
Indicate whether the following statements are true or false:
A retrospective cohort study is more efficient than a prospective cohort study for studying disease with a long latent and induction period
Cohort studies are the most sensible design for examining many exposures in relation to a single disease.
The ideal comparison group for a cohort study would consist of exactly the same individuals in the exposed group had they not been exposed
Loss to follow-up can be a problem in a cohort study but not an experimental study.
Source: Aschengrau Chapter 8
