Study design IV. Cohort studies.
Previously in this series I have given an overview of the main types of study design and the techniques used to minimise biased results. In this article I describe more fully cohort studies, their uses, advantages and limitations.
Levin
Kate Ann
KA
Dental Health Services Research Unit, University of Dundee, Dundee, Scotland, UK.
D015984:Causality; D015331:Cohort Studies; D006801:Humans; D011446:Prospective Studies; D012189:Retrospective Studies