Skip to main content

Table 1 Number of studies identifying positive health impacts by study design type

From: Policy lessons from health taxes: a systematic review of empirical studies

Study design Number of Studies Included Number of studies that found a positive health impact Number of studies that found no, or negative, health impacts
Modeling 17 16 3
Experimental 0 0 0
Evaluation 8 4 4
Mixed methoda 1 1 1
Total 26 21 9
  1. aBoth modeling and evaluation