Cohort mortality study among French asphalt workers.

Background: In conjunction with the European cohort study among asphalt workers coordinated by the International Agency for Research on Cancer (IARC), we studied the mortality of 15,011 French men who were followed for 17 years for a total of 175,062 persons-years. This group contained 2,506 subjects who had ever been employed as asphalt workers: they contributed 30,692 person-years of risk. A reference group was composed of 6,675 subjects (i.