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Intake of coffee and tea and risk of ovarian cancer: a prospective cohort study.
Nutr Cancer. 2007; 58(1):22-7.NC

Abstract

There is some evidence from case-control studies that coffee consumption might be positively associated with ovarian cancer risk, whereas the epidemiologic evidence regarding tea consumption and ovarian cancer is inconsistent. To date, there have been few prospective studies of these associations. Therefore, we examined ovarian cancer risk in association with both coffee and tea intake in a prospective cohort study of 49,613 Canadian women enrolled in the National Breast Screening Study (NBSS) who completed a self-administered food frequency questionnaire between 1980 and 1985. Linkages to national mortality and cancer databases yielded data on deaths and cancer incidence, with follow-up ending between 1998 and 2000. Data from the food frequency questionnaire were used to estimate daily intake of coffee and tea. Cox proportional hazards models were used to estimate hazard ratios (HR) and 95% confidence intervals (CI) for the association between categories of coffee and tea intake and ovarian cancer risk. During a mean 16.4 years of follow-up, we observed 264 incident ovarian cancer cases. Tea intake was not associated with ovarian cancer risk in our study population. In contrast, a borderline positive association was observed among women who drank > 4 cups coffee/day compared to women who did not drink coffee (HR = 1.62, 95% CI = 0.95-2.75, P(trend) = 0.06). Given the pervasive use of these beverages, the associations between coffee and tea consumption and ovarian cancer risk warrant investigation in further prospective studies.

Authors+Show Affiliations

Department of Epidemiology and Population Health, Albert Einstein College of Medicine, 1300 Morris Park Avenue, NY 10461, USA. silveras@mail.montclair.eduNo affiliation info availableNo affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article
Research Support, Non-U.S. Gov't

Language

eng

PubMed ID

17571963

Citation

Silvera, Stephanie A N., et al. "Intake of Coffee and Tea and Risk of Ovarian Cancer: a Prospective Cohort Study." Nutrition and Cancer, vol. 58, no. 1, 2007, pp. 22-7.
Silvera SA, Jain M, Howe GR, et al. Intake of coffee and tea and risk of ovarian cancer: a prospective cohort study. Nutr Cancer. 2007;58(1):22-7.
Silvera, S. A., Jain, M., Howe, G. R., Miller, A. B., & Rohan, T. E. (2007). Intake of coffee and tea and risk of ovarian cancer: a prospective cohort study. Nutrition and Cancer, 58(1), 22-7.
Silvera SA, et al. Intake of Coffee and Tea and Risk of Ovarian Cancer: a Prospective Cohort Study. Nutr Cancer. 2007;58(1):22-7. PubMed PMID: 17571963.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Intake of coffee and tea and risk of ovarian cancer: a prospective cohort study. AU - Silvera,Stephanie A N, AU - Jain,Meera, AU - Howe,Geoffrey R, AU - Miller,Anthony B, AU - Rohan,Thomas E, PY - 2007/6/19/pubmed PY - 2007/9/12/medline PY - 2007/6/19/entrez SP - 22 EP - 7 JF - Nutrition and cancer JO - Nutr Cancer VL - 58 IS - 1 N2 - There is some evidence from case-control studies that coffee consumption might be positively associated with ovarian cancer risk, whereas the epidemiologic evidence regarding tea consumption and ovarian cancer is inconsistent. To date, there have been few prospective studies of these associations. Therefore, we examined ovarian cancer risk in association with both coffee and tea intake in a prospective cohort study of 49,613 Canadian women enrolled in the National Breast Screening Study (NBSS) who completed a self-administered food frequency questionnaire between 1980 and 1985. Linkages to national mortality and cancer databases yielded data on deaths and cancer incidence, with follow-up ending between 1998 and 2000. Data from the food frequency questionnaire were used to estimate daily intake of coffee and tea. Cox proportional hazards models were used to estimate hazard ratios (HR) and 95% confidence intervals (CI) for the association between categories of coffee and tea intake and ovarian cancer risk. During a mean 16.4 years of follow-up, we observed 264 incident ovarian cancer cases. Tea intake was not associated with ovarian cancer risk in our study population. In contrast, a borderline positive association was observed among women who drank > 4 cups coffee/day compared to women who did not drink coffee (HR = 1.62, 95% CI = 0.95-2.75, P(trend) = 0.06). Given the pervasive use of these beverages, the associations between coffee and tea consumption and ovarian cancer risk warrant investigation in further prospective studies. SN - 0163-5581 UR - https://www.unboundmedicine.com/medline/citation/17571963/Intake_of_coffee_and_tea_and_risk_of_ovarian_cancer:_a_prospective_cohort_study_ L2 - http://www.tandfonline.com/doi/full/10.1080/01635580701307945 DB - PRIME DP - Unbound Medicine ER -