Healthy worker effect phenomenon

Indian J Occup Environ Med. 2009 Aug;13(2):77-9. doi: 10.4103/0019-5278.55123.


The Healthy Worker Effect (HWE) phenomenon has been under debate since some years. Some epidemiologists regard HWE as an ordinary method problem while others consider it a field of science by itself. This article gives definitions of HWE explained with historical background; discusses factors affecting it and suggests methods to minimize problems associated with it.

Keywords: Healthy Worker Effect; occupational epidemiology; selection bias.