Cigarette Smoking and Alcohol Consumption in the Aetiology of Uterine Cervical Cancer

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Abstract
Licciardone J C (Division of Health and Human Fitness, Department of Public Health and Preventive Medicine, Texas College of Osteopathic Medicine, 3500 Camp Bowie Boulevard, Fort Worth, TX 76107, USA), Wilkins J R III, Brownson R C and Chang J C. Cigarette smoking and alcohol consumption in the aetiology of uterine cervical cancer. International Journal of Epidemiology 1989, 18: 533–537. A case-control study of uterine cervical cancer was conducted using 331 cases and 993 age-matched controls identified through the Missouri Cancer Registry during 1984–1986. Patients with smoking- or alcohol–related cancers were excluded from the control series. Logistic regression was used to compute odds ratios (ORs) and 95% confidence intervals (CIs) after adjustment for age, cigarette smoking, alcohol consumption, and stage at diagnosis. A dose-response relation was observed between intensity of cigarette smoking and invasive cervical cancer, with light and heavy smokers having elevated risks (OR = 2.2, 95% CI = 1.4–3.6 and OR = 3.9, 95% CI = 2.7–5.6, respectively). Former smokers had less elevated risk (OR = 1.7, 95% CI = 1.0–2.9), a finding consistent with a greater effect of tobacco smoke on late-stage carcinogenesis. Similar results were obtained in age- and control site–specific analyses. Further, the age–specific data suggested a dose-response relation between duration of smoking and invasive cervical cancer. An association between alcohol consumption and invasive cervical cancer was not observed.

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