Survey on the Mortality of Malignant Tumors in Female Workers with Manual Spinning of Asbestos

摘要

To investigate the mortality of malignant tumor in female workers exposed to chrysotile asbestos.Methods A retrospective cohort study of female workers was conducted,who had been engaged in the manual spinning of chrysotile in family with more than one year between January 1,1960 and December 31,1980.Resuits A total of 144 persons were found to be dead from cancer.Among them the most frequent was lung cancer(74), and the second liver cancer(27),and the third stomach cancer(18).Standardized mortality ratio(SMR)from total malingnant tumor and lung cancer were 1.16(P<0.05)and 4.17(P<0.01),respectively based on the control population of the same region.Conclusion A significant excess death from lung cancer was found among female workers who had been exposed to chrysotile.