O1C.6 Is adjustment for smoking needed in a cohort study of cancer mortality among chrysotile asbestos factory and mine workers?

Introduction A retrospective cohort study of 35 840 employees is currently being conducted in a chrysotile mine and its processing facilities in Asbest, the Russian Federation. The primary aim is to quantify exposure-response relationships for cancers potentially associated with chrysotile exposure. Some of those cancers are also tobacco-related; however individual-level information on tobacco use is not available for the full cohort. To address...