Premenopausal women: 42.6 y Postmenopausal women: 57.8 y
Dietary fats
169-item FFQ
PBD Mammogram: fully-automated method
Postmenopausal women: Total Fat: Q4 versus Q1 = 15.5 (95% CI: 10.8–21.2) versus 9.9% (95% CI: 6.8–13.7; Saturated fat: Q4 versus Q1 = 16.5% (95 CI:11.3–22.6%) versus 7.3% (95% CI: 4.7–10.4%)
Age, BMI, smoking status, number of births, hx of breast feeding for premenopausal women and for age, BMI, education, age at menopause for postmenopausal women. Nutrient intakes were adjusted for total energy.
Dietary history interview within 4 months of BC diagnosis
Wolfe classification N1 + P1 versus P2 + Dy
Premenopausal women: P2 + Dy versus N1 + P1: total fat (42.04 versus 34.72% E); saturated fat (19.27 versus 15.42% E), MUFA (14.22 versus 11.98% E); PUFA (5.65 versus 4.70), n-6 FA (4.69 versus 3.81% E) postmenopausal women: P2 + Dy versus N1 + P1: MUFA 12.88 versus 12.32% E)
Premenopausal women: PUFAs: Q4 versus Q1: 42% (95% CI: 35–49%) versus 38% (95% CI: 37–51%) PUFA : SFA: 43% (95% CI: 36–50%) versus 38% (33–44%,); SFA: Q4 versus Q1: 37% (95% CI: 32–43%) versus 44% (95% CI: 37–51%)
Energy, age, BMI, WHR, PA, age at menarche, age at first birth and number of births (combined), self-reported alcohol intake, smoking, family hx of BC, HRT (all and postmenopausal women), OC (premenopausal women)