Alcohol and tobacco use in relation to gastric cancer: A prospective study of men in Shanghai, China

Kristin A. Moy, Yunhua Fan, Renwei Wang, Yu Tang Gao, Mimi C. Yu, Jian Min Yuan

Research output: Contribution to journalArticlepeer-review

104 Scopus citations


Background: Epidemiologic findings of tobacco and alcohol use in relation to gastric cancer are inconsistent. Well-designed prospective studies examining their relationship are sparse. Methods: The association between cigarette smoking/alcohol intake and gastric cancer risk was examined in a population-based prospective cohort of 18,244 middle-aged and older men in Shanghai, China, who were enrolled in the study during 1986-1989. After up to 20 years of follow-up, 391 incident gastric cancer cases were identified. Cox proportional hazards regression models were used to estimate hazard ratios (HR) and corresponding 95% confidence intervals (95% CI). Results: Ever smokers experienced a statistically significant increased risk of gastric cancer (HR, 1.59; 95% CI, 1.27-1.99) compared with nonsmokers after adjustment for alcohol intake and other confounders. Among nondrinkers, smokers experienced 80% increased risk of gastric cancer (HR, 1.81; 95% CI,1.36, 2.41). Conversely, heavy drinkers experienced a statistically significant increase in risk of gastric cancer (HR, 1.46; 95% CI, 1.05-2.04) among all subjects and a statistically nonsignificant 80% increased risk among never smokers. Further adjustment for Helicobacter pylori serology, serum levels of β-carotene and vitamin C, and urinary level of total isothiocyanates in combination with glutathione S-transferase (GST) M1 and GSTT1 genotypes did not materially change the associations between smoking/alcohol consumption and gastric cancer risk. Conclusions: These results suggest that cigarette smoking and alcohol consumption may exert independent effects on the development of gastric cancer in this high-risk population. Impact: Modification of these lifestyle choices may reduce the incidence of gastric cancer.

Original languageEnglish (US)
Pages (from-to)2287-2297
Number of pages11
JournalCancer Epidemiology Biomarkers and Prevention
Issue number9
StatePublished - Sep 2010


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