Tobacco smoking among chrysotile asbestos workers in Asbest in the Russian Federation

A historical cohort study of cancer mortality is being conducted among workers in a chrysotile mine and its enrichment factories in the town of Asbest, Russian Federation. Because individual-level information on tobacco use is not available for Asbest Chrysotile Cohort members, a cross-sectional survey of smoking behaviours was conducted among active and retired workers.Self-administered questionnaires were completed by active workers during...