Health Impact Assessment (HIA)

Using evidence within HIA

Evidence commonly used in an HIA

Three sources of evidence are typically used in an HIA:

These methods are all commonly employed in HIA. However, in rapid HIAs with limited resources, less effort may be placed on some aspects. Often, the expression "best available evidence" is used, to acknowledges the resource and time constraints affecting the quality and depth of the evidence used in the appraisal stage.