Table 3.

Sociodemographic, reproductive, and dietary correlates for first and fourth dietary pattern quartiles in 1,446 cases and 1,549 controls in the Shanghai Breast Cancer Case-Control Study

Vegetable-soy pattern quartiles
Meat-sweet pattern quartiles
1414
Age [mean (SD), y]48 (8)49 (9)50 (9)46 (8)
Education level (%)
    No formal education65112
    Elementary school98144
    Middle/high school75726978
    College and higher1016616
BMI [mean (SD), kg/m2]23.1 (3.4)23.7 (3.4)23.8 (3.7)23.1 (3.1)
WHR [mean (SD)]0.80 (0.06)0.81 (0.06)0.81 (0.06)0.80 (0.06)
Physically active (%)17312024
History of fibroadenoma (%)5933
Family history of breast cancer (%)17312024
Age at menarche [mean (SD), y]14.5 (1.7)14.6 (1.7)14.9 (1.7)14.4 (1.6)
Parity (%)
    Nulliparous5555
    Parous
        Age at first live birth
            <20 y4582
            20-24 y24232619
            25-29 y51494453
            30-34 y14141317
            ≥35 y3444
Menopausal status/age at menopause (%)
    Premenopausal64605672
    ≥55 y2221
    50-54 y12131510
    45-49 y15162010
    <45 y7886
Intakes of foods and nutrients per day (mean ± SD)
    Red meat (g)34.6 ± 23.048.2 ± 34.122.0 ± 12.663.3 ± 36.4
    Fowl (g)10.6 ± 12.419.2 ± 21.95.2 ± 5.428.0 ± 25.4
    Fish (g)21.1 ± 21.748.2 ± 46.320.1 ± 20.652.9 ± 47.5
    Legumes (g)33.3 ± 18.4116.7 ± 71.355.9 ± 40.783.8 ± 54.2
    Vegetables (g)85.6 ± 37.9293.0 ± 119.7151.7 ± 99.5204.7 ± 118.6
    Fruits (g)159.8 ± 123.4292.2 ± 215.5159.2 ± 127.8275.2 ± 194.5
    Energy (kcal)1,631 ± 3822,145 ± 5151,588 ± 3592,187 ± 496
    Total fat (g)27.6 ± 12.645.5 ± 20.322.8 ± 10.350.6 ± 17.8
    Saturated fat (g)8.8 ± 4.613.4 ± 6.66.7 ± 3.315.6 ± 65.9
    Soy protein (g)5.6 ± 4.017.2 ± 14.69.2 ± 7.412.4 ± 9.8
    Fiber (g)7.0 ± 2.214.6 ± 5.48.4 ± 2.312.3 ± 4.9
    Vitamin A (IU)173 ± 171271 ± 35799 ± 75392 ± 427
    Vitamin C (mg)46 ± 19135 ± 5269 ± 46101 ± 52
    Calcium (mg)343 ± 166689 ± 273365 ± 165633 ± 249