Skip to main content

Table 1 Results from large prospective studies of total and saturated fat intake and risk for breast cancer

From: Does diet affect breast cancer risk?

     RR (95% CI; high versus low category)
Study [ref.] Total number in cohort Years of follow-up Number of cases Total fat Saturated fat
Nurses' Health Study [96] 89,494 8 1439 0.86 (0.67–1.08) 0.86 (0.73–1.02)
Nurses' Health Study [12] 88,795 14 2956 0.97 (0.94–1.00)a 0.94 (0.88–1.01)a
Canadian study [97] 56,837 5 519 1.30 (0.90–1.88) 1.08 (0.73–1.59)
New York State cohort [98] 17,401 7 344 1.00 (0.59–1.70) 1.12 (0.78–1.61)b
Iowa women's study [99] 32,080 4 408 1.13 (0.84–1.51) 1.10 (0.83–1.46)
Dutch health study [100] 62,573 3 471 1.08 (0.73–1.59) 1.39 (0.94–2.06)
Adventists health study [104] 20,341 6 193 - 1.21 (0.81–1.81)
Swedish mammography screening cohort [101] 61,471 6 674 1.00 (0.76–1.32) 1.09 (0.83–1.42)
Breast Cancer Detection Demo Project [102] 40,022 5 996 1.07 (0.86–1.32) 1.12 (0.87–1.45)
California teachers study [103] 115,526 2 711 0.8 (0.6–1.2) 0.8 (0.6–1.2)
  1. aAnimal fat. bContinuous. CI, confidence interval; RR, relative risk. From Willett and coworkers [95].