Table 1.

Baseline demographics by treatment; WISH trial

VariablePlacebo (n = 175)Soy (n = 175)P*
Age
    40-5432 (18)35 (20)0.95
    55-5947 (27)41 (23)
    60-6444 (25)44 (25)
    65-6932 (18)35 (20)
    ≥7020 (12)20 (12)
Age, y60.9 ± 6.861.0 ± 7.40.93
Race
    White (non-Hispanic)118 (67)105 (60)0.60
    Black (non-Hispanic)9 (5)12 (7)
    Hispanic24 (14)31 (18)
    Asian19 (11)19 (11)
    Other5 (3)8 (5)
Education
    ≤High school5 (3)14 (8)0.03
    >High school170 (97)161 (92)
Smoking history
    Current5 (3)3 (2)0.51
    Former63 (36)72 (41)
    Never smoked107 (61)100 (57)
Years smoked
    Among current or former smokers (n)16.7 ± 12.216.9 ± 11.90.85
Weight, lbs153 ± 32152 ± 300.82
Body mass index, kg/m226.7 ± 5.426.5 ± 5.00.76
Pulse rate, beats/min66 ± 766 ± 70.38
Systolic blood pressure, mm Hg119 ± 14117 ± 140.45
Diastolic blood pressure, mm Hg75 ± 975 ± 90.55
Cholesterol, mg/dL222 ± 31219 ± 290.31
Triglycerides, mg/dL109 ± 56112 ± 640.89
HDL cholesterol, mg/dL63 ± 1762 ± 160.57
LDL cholesterol, mg/dL137 ± 30134 ± 260.32

NOTE: Mean ± SD or n (%).

  • *t Test was used for all comparisons, except for years smoked, triglycerides, and PL isoflavone, in which Wilcoxon rank sum test was used.