Total Fat and Breast Cancer Publications Hunter, D.J., et al. Cohort studies of fat intake and the risk of breast cancer -- a pooled analysis. New England Journal of Medicine. 1996; 334: 356-361. Hunter, D.J., et al. Non-dietary factors as risk factors for breast cancer, and as effect modifiers of the association of fat intake and risk of breast cancer. Cancer Causes and Control. 1997; 8: 49-56. Hunter, D.J., et al. Dietary fat and breast cancer (letter). Journal of the National Cancer Institute. 1998; 90: 13031305. Cohort Studies Included in the Pooled Analyses of Total Fat Canadian National Breast Screening Study Nurses’ Health Study Sweden Mammography Cohort Netherlands Cohort Study New York State Cohort Adventist Health Study Total = 337,819 # cases = 4,980 Iowa Women’s Health Study Cohort Studies Included in the Pooled Analyses of Total Fat Study Total Cohort Adventist Health Canadian National Iowa Women’s Netherlands Cohort New York State Nurses’ Health (a) Nurses’ Health (b) Sweden Mammography TOTAL # of Cases 15,172 153 56,837 514 34,406 723 62,412 434 18,475 376 89,046 1,094 68,817 911 61,471 775 337,819 4,980 Hunter, et al. 1996 Fat and Breast Cancer: Pooled Analysis Pooled RR for Categories of Intake 1.5 1.0 0.5 45 45 -< 40 40 -< 35 35 -< 30 30 -< 25 20 -< 25 0.0 <2 0 Relative Risk 2.0 % of Energy from Fat Hunter, et al. 1996 Pooled Multivariate Relative Risks of Breast Cancer and Total Fat by Menopausal Status and Benign Breast Disease Multi. RR (95% CI) p-for(increment=25g/d) interaction Menopausal Status Premeno. 0.98 (0.85-1.13) Postmeno. 0.96 (0.86-1.08) 0.95 History of Benign Breast Disease No 0.95 (0.87-1.05) Yes 1.29 (0.96-1.72) 0.05 Hunter, et al. 1997 Pooled Multivariate Relative Risks of Breast Cancer and Total Fat by Family History Multi. RR (95% CI) (Increment =25g/d) p-forinteraction History of breast cancer in mother Yes No 1.00 (0.77-1.29) 1.02 (0.90-1.15) 0.94 History of breast cancer in sister Yes No 1.02 (0.74-1.42) 1.05 (0.94-1.18) 0.86 Hunter, et al. 1997 Pooled Multivariate Relative Risks of Breast Cancer and Total Fat by Alcohol Intake Alcohol (g/d) Multi. RR (95% CI) (increment=25g/d) 0 1.09 (0.93-1.28) >0-<1.5 1.03 (0.84-1.27) 1.5-<5 0.97 (0.81-1.17) 5-<15 1.00 (0.83-1.19) 15-<30 1.20 (0.93-1.55) >30 0.77 (0.47-1.28) p-forinteraction 0.95 Hunter, et al. 1997