Population attributable fraction: names, types and issues with incorrect interpretation of relative risks
The development of the original population attributable fraction (PAF) dates back to 1953
The PAF is the proportion of cases for an outcome of interest that can be attributed to a given risk factor among the entire population.
PAR is only one of the other names being used; as noted previously,
Publisher URL: http://bjsm.bmj.com/cgi/content/short/52/4/212