A prospective study of the attributable risk of cancer due to cigarette smoking

P.-H. Chyou, A.M.Y. Nomura and G.N. Stemmermann

American Journal of Public Health, 1992, vol. 82, issue 1, 37-40

Abstract: Background. The goals of this study were to measure the impact of cigarette smoking on cancer incidence and to determine the attributable risk of cancer due to smoking. Methods. A cigarette smoking history was obtained from 8006 Japanese-American men examined from 1965 through 1968. After 22 years, 1389 incident cases of cancer were identified. There were 212 men with lung cancer; 202 with oral, esophageal, laryngeal, pancreatic, renal, ureteral, or bladder (oral-bladder) cancer; and 975 with cancer at other sites. Results. Current smokers at time of examination had a higher incidence than nonsmokers for each of the three cancer site categories. Eighty-five percent of lung cancer cases diagnosed among current and never smokers can be attributed to cigarette smoking. The attributable risks were 46%, 16%, and 29%, respectively, for oral-bladder cancers, other cancers, and all cancers combined. In turn, the corresponding attributable risks were 60%, 26%, 13%, and 21% in comparing current smokers with past smokers. Conclusions. Current smokers can greatly reduce their risk of cancer, especially lung cancer, if they quit smoking.

Date: 1992
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Persistent link: https://EconPapers.repec.org/RePEc:aph:ajpbhl:1992:82:1:37-40_7

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