[Green tea consumption and the risk of endometrial cancer: a population-based case-control study in urban Shanghai]

Zhonghua Liu Xing Bing Xue Za Zhi. 2005 May;26(5):323-7.
[Article in Chinese]


Objective: To assess the effect of tea consumption on the risk of endometrial cancer.

Methods: In a population based case-control study conducted in urban Shanghai, face-to-face interviews were completed for 995 incidence cases aged 30 - 69 from January 1997 to December 2002 and 1087 controls that frequency-matched to cases on age. Unconditional logistic model was used for analysis.

Results: An inverse association was observed in tea drinking and endometrial cancer risk. Compared to non-tea drinkers, regular tea drinkers had reduced risk of endometrial cancer (OR = 0.74; 95% CI: 0.54 - 1.01) in premenopausal women. Green tea had a protective effect on endometrial cancer among non-smoking or non-alcohol drinking women (OR = 0.77, P = 0.0199) and the ORs reduced with the increasing concentration of tea being served (P for trend = 0.0493). The multivariate ORs for drinking green tea < 7 times/week and >or= 7 times/week were 0.90 (95% CI: 0.53 - 1.54) and 0.76 (95% CI: 0.60 - 0.95) with the trend test of P = 0.0163.

Conclusion: Tea drinking, with green tea in particurlar, seemed to have weak but inverse association with endometrial cancer risk, but this effect of protection might only limit to premenopausal women.

Publication types

  • English Abstract
  • Research Support, Non-U.S. Gov't

MeSH terms

  • Adult
  • Aged
  • Case-Control Studies
  • China / epidemiology
  • Endometrial Neoplasms / epidemiology*
  • Endometrial Neoplasms / prevention & control
  • Female
  • Humans
  • Logistic Models
  • Middle Aged
  • Risk Factors
  • Surveys and Questionnaires
  • Tea*
  • Urban Health


  • Tea