The costs of an epidemiological study

Epidemiological studies can be very expensive, especially from large populations with multicentre recruitment. The researcher will need to ensure that there are adequate resources, allowing for the fact that things will not always go to plan, but making sure that the research is value for money. What is considered a reasonable cost will also depend on how strong the rationale is for conducting the study. Although in theory the study design influences the costs, in practice the resources available will often constrain the methodological choices. Costing an epidemiological study accurately at the start is vital. There are several ways to maximize the use of resources to ensure the study is efficient.