Table 3.

Adjusted means with 95% confidence intervalsof percent breast density according to quartiles of dietary variables

nPremenopausalnPostmenopausal
Total energy (kcal)
    Q1: <1,6978529.8 (24.5-35.6)6611.2 (7.6-15.4)
    Q2: 1,697-2,0628428.1 (22.9-33.8)6610.0 (6.6-14.2)
    Q3: 2,063-2,6978834.6 (29.0-40.8)6211.2 (7.5-15.7)
    Q4: >2,6979134.8 (29.3-40.9)5912.2 (8.2-17.0)
Ptrend0.500.59
Protein (g)
    Q1: <78.610233.9 (28.7-39.5)486.7 (3.6-10.7)
    Q2: 78.6-85.89528.7 (23.8-34.1)5511.8 (7.8-16.6)
    Q3: 85.9-93.38532.4 (26.8-38.5)6610.8 (7.3-14.9)
    Q4: >93.36632.6 (26.3-39.6)8413.9 (10.4-18.0)
Ptrend0.970.02
Carbohydrate (g)
    Q1: <277.39332.7 (27.3-38.5)5815.6 (11.1-20.9)
    Q2: 277.3-297.18731.7 (26.2-37.7)6310.4 (6.9-14.6)
    Q3: 297.2-319.59531.3 (26.1-37.0)569.8 (6.3-14.2)
    Q4: >319.57331.7 (25.6-38.3)769.6 (6.5-13.2)
Ptrend0.950.03
Total fat
    Q1: <54.97430.9 (25.0-37.4)779.9 (6.8-13.7)
    Q2: 54.9-61.48431.9 (26.3-38.0)658.9 (5.7-12.8)
    Q3: 61.5-67.79332.6 (27.2-38.4)5811.6 (7.7-16.2)
    Q4: >67.79731.8 (26.7-37.5)5315.5 (10.8-21.2)
Ptrend0.690.04
Saturated fat (g)
    Q1: <14.57129.3 (23.5-35.8)807.3 (4.7-10.4)
    Q2: 14.5-16.88534.8 (29.0-41.1)6411.3 (7.7-15.6)
    Q3: 16.9-19.48929.4 (24.2-35.1)6212.8 (8.9-17.4)
    Q4: >19.410333.4 (28.3-39.0)4716.5 (11.3-22.6)
Ptrend0.930.02
Monounsaturated fat (g)
    Q1: <18.26730.8 (24.8-37.5)848.8 (6.0-12.2)
    Q2: 18.2-20.78636.1 (30.3-42.5)6311.1 (7.4-15.5)
    Q3: 20.8-23.49327.9 (23.0-33.4)5813.1 (8.9-18.0)
    Q4: >23.410232.7 (27.6-38.2)4813.2 (8.7-18.7)
Ptrend0.630.11
Polyunsaturated fat (g)
    Q1: <14.09831.3 (26.1-36.9)5212.7 (8.5-17.8)
    Q2: 14.0-16.19133.0 (27.6-38.9)596.9 (4.0-10.5)
    Q3: 16.2-18.08430.5 (25.1-36.6)6711.8 (8.1-16.1)
    Q4: >18.07532.6 (26.7-39.1)7513.3 (9.6-17.5)
Ptrend0.790.30
Long n-3 fatty acids (mg)
    Q1: <49810034.1 (28.8-39.9)5111.0 (7.0-15.8)
    Q2: 498-6619428.2 (23.2-33.6)5510.5 (6.7-15.2)
    Q3: 662-8978230.8 (25.3-36.8)699.4 (6.2-13.3)
    Q4: >8977234.9 (28.6-41.8)7813.3 (9.6-17.5)
Ptrend0.610.49
Dietary fiber (g)
    Q1: <14.012330.9 (26.4-35.8)289.7 (4.9-16.1)
    Q2: 14.0-16.710134.6 (29.4-40.3)488.4 (4.2-13.0)
    Q3: 16.8-20.47431.9 (26.1-38.4)7712.0 (8.5-16.0)
    Q4: >20.45028.6 (21.8-36.2)10012.3 (9.2-15.9)
Ptrend0.590.12
Soy isoflavones (mg)
    Q1: <28.611630.2 (25.6-35.2)349.7 (5.3-15.5)
    Q2: 28.6-40.29932.0 (26.9-37.6)5112.1 (7.8-17.3)
    Q3: 40.3-56.77229.5 (23.8-35.8)799.1 (6.1-12.5)
    Q4: >56.76137.8 (30.7-45.6)8913.1 (9.7-17.0)
Ptrend0.280.33
  • NOTE: Data are adjusted for age (continuous), BMI (continuous), smoking status (current, ex-smokers, or never smokers), number of births (none, 1-2, or >2), and history of breast feeding (ever or never) for premenopausal women, and for age, BMI, number of births (none, 1-2, or >2), years of education (<12, 12-13, or >13 years), and age at menopause (<47, 47-49, 50-52, or >52 years) for postmenopausal women. Nutrient intakes were adjusted for total energy.