Cigarette smoking and colorectal cancer: A study of 1,584 cases and 2,879 controls

B. D'Avanzo, C. La Vecchia, S. Franceschi, L. Gallotti, R. Talamini

Research output: Contribution to journalArticlepeer-review

Abstract

Background. Although colorectal cancer is not one of the major tobacco- related cancers, a possible association with tobacco has been suggested following the observation of a relationship between cigarette smoking and colorectal adenomas. The issue of a long latency of tobacco on colorectal carcinogenesis has also been suggested, since elevated relative risks were observed in long-term smokers. Methods. The association between colorectal cancer and cigarette smoking has been investigated using data from a case- control study conducted in northern Italy between 1985 and 1991 on 955 cases of colon and 629 cases of rectal cancer and 2,879 controls in hospital for acute, nonneoplastic, nondigestive tract, nontobacco-related diseases. Odds ratios (OR), and the corresponding 95% confidence intervals, of colorectal cancer according to various measures of tobacco smoking were derived from multivariate models, including terms for sex, age, total calorie intake and selected dietary variables, alcohol consumption, and family history of colorectal cancer. Results. No association between smoking and colorectal cancer was observed. Compared with people who had never smoked, the overall multivariate OR for colorectal cancer was 0.9 in ex-smokers and 0.7 in current smokers. No relationship was found with number of cigarettes smoked (OR = 0.7 for both

Original languageEnglish
Pages (from-to)571-579
Number of pages9
JournalPreventive Medicine
Volume24
Issue number6
DOIs
Publication statusPublished - 1995

ASJC Scopus subject areas

  • Medicine(all)
  • Public Health, Environmental and Occupational Health
  • Epidemiology

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