Coffee consumption and the risk of prostate cancer: The Ohsaki Cohort Study

Q. Li, M. Kakizaki, Y. Sugawara, Y. Tomata, T. Watanabe, Y. Nishino, I. Tsuji

研究成果: Article査読

30 被引用数 (Scopus)

抄録

Background: Epidemiological evidence regarding the effect of coffee on the incidence of prostate cancer is inconsistent. We aimed to investigate coffee consumption and the risk of prostate cancer risk in a general Japanese population. Methods: We conducted a prospective cohort study in Ohsaki city, Japan, where 18 853 men aged 40-79 years participated in a baseline survey. Coffee consumption was assessed via a validated self-administered questionnaire. During 11 years of follow-up (from January 1 1995 to December 31, 2005), 318 incident cases of prostate cancer were detected. The Cox proportional hazards regression model was used to calculate the hazard ratios (HRs) and 95% confidence interval (CIs). Results: There was a significant inverse association between coffee consumption and the incidence risk of prostate cancer. Compared with those who did not drink coffee, the multivariate adjusted HRs were 0.81 (95% CI: 0.61-1.07), 0.73 (95% CI: 0.53-1.00), and 0.63 (095% CI: 0.39-1.00) for those who drank coffee occasionally, 1-2 cups per day, and ≥3 cups per day, respectively, with a P for trend of 0.02. Conclusion: This prospective finding from a Japanese population adds evidence that coffee intake is inversely associated with the incidence of prostate cancer.

本文言語English
ページ(範囲)2381-2389
ページ数9
ジャーナルBritish Journal of Cancer
108
11
DOI
出版ステータスPublished - 2013 6 11

ASJC Scopus subject areas

  • 腫瘍学
  • 癌研究

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