IJE Advance Access originally published online on May 20, 2004
International Journal of Epidemiology 2004 33(4):806-807; doi:10.1093/ije/dyh203
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IJE vol.33 no.4 © International Epidemiological Association 2004; all rights reserved.
Commentary |
Commentary: Socioeconomic status: more than a confounder?
University of Bremen, Bremen Institute for Prevention, Research and Social Medicine, D 28359 Bremen, Germany. E-mail: ahrens@bips.uni-bremen.de
| The first 10% of the full text of this article appears below. |
Larynx cancer is among the three cancers displaying the strongest gradient of mortality for various measures from low to high social categories, especially in men, with a 2- to 19-fold relative risk of dying from the disease in the lowest as compared with the highest category in different countries.1 The incidence shows a similar pattern with 1.5- to 4-fold relative risks in most countries for men but weaker gradients in women where relative risks below 1.5 were observed.
Menvielle et al.2 report on a hospital-based case-control study that was originally focused to study occupational exposures. In this re-analysis the authors show that much of the social