Study design VI - Ecological studies

Evid Based Dent. 2006;7(4):108. doi: 10.1038/sj.ebd.6400454.


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 ecological studies, their uses, advantages and limitations.

MeSH terms

  • Epidemiologic Studies*
  • Humans