Combined effect of tobacco and alcohol on laryngeal cancer risk: A case-control study

R. Talamini, C. Bosetti, C. La Vecchia, L. Dal Maso, F. Levi, E. Bidoli, E. Negri, C. Pasche, S. Vaccarella, L. Barzan, S. Franceschi

Research output: Contribution to journalArticle

Abstract

Objective: To provide information on the effects of alcohol and tobacco on laryngeal cancer and its subsites. Methods: This was a case-control study conducted between 1992 and 2000 in northern Italy and Switzerland. A total of 527 cases of incident squamous-cell carcinoma of the larynx and 1297 hospital controls frequency-matched with cases on age, sex, and area of residence were included. Odds ratios (ORs) and corresponding 95% confidence intervals (CIs) were estimated using multiple logistic regression. Results: In comparison with never smokers, ORs were 19.8 for current smokers and 7.0 for ex-smokers. The risk increased in relation to the number of Cigarettes (OR = 42.9 for ≥25 cigarettes/day) and for duration of smoking (OR = 37.2 for ≥40 years). For alcohol, the risk increased in relation to number of drinks (OR = 5.9 for ≥56 drinks per week). Combined alcohol and tobacco consumption showed a multiplicative (OR = 177) rather than an additive risk. For current smokers and current drinkers the risk was higher for supraglottis (ORs 54.9 and 2.6, respectively) than for glottis (ORs 7.4 and 1.8) and others subsites (ORs 10.9 and 1.9). Conclusions: Our study shows that both cigarette smoking and alcohol drinking are independent risk factors for laryngeal cancer. Heavy consumption of alcohol and cigarettes determined a multiplicative risk increase, possibly suggesting biological synergy.

Original languageEnglish
Pages (from-to)957-964
Number of pages8
JournalCancer Causes and Control
Volume13
Issue number10
DOIs
Publication statusPublished - Dec 2002

Keywords

  • Alcohol drinking
  • Laryngeal cancer
  • Smoking and drinking interaction
  • Tobacco smoking
  • Years since quit smoking

ASJC Scopus subject areas

  • Oncology
  • Epidemiology
  • Cancer Research

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    Talamini, R., Bosetti, C., La Vecchia, C., Dal Maso, L., Levi, F., Bidoli, E., Negri, E., Pasche, C., Vaccarella, S., Barzan, L., & Franceschi, S. (2002). Combined effect of tobacco and alcohol on laryngeal cancer risk: A case-control study. Cancer Causes and Control, 13(10), 957-964. https://doi.org/10.1023/A:1021944123914