Table 2.

Intake of soy foods and isoflavone-containing dietary supplements by equol status among B4BCP study participants (232 postmenopausal women)

Equol nonproducers, n = 157
Equol producers, n = 75
P*
nColumn %nColumn %
Current Intake of soy foods
    At least 1 soy food/d138.334.00.18
    At least 1 soy food/wk2918.51216.00.40
Current use of isoflavone-containing dietary supplements
    At least 1 soy supplement/d31.911.30.61
Current intake of at least 1 soy food or supplement/wk3119.71216.00.31
History of hormone replacement therapy use and soy intake
    Never hormone users who consume <1 soy food or supplement/wk3824.23546.7<0.01
    Never hormone users who consume ≥1 soy food(s) or supplement(s)/wk117.079.3
    Ever hormone users who consume <1 soy food or supplement/wk8856.12837.3
    Ever hormone users who consume ≥1 soy food(s) or supplement(s)/wk2012.756.7
  • * P values were obtained using Fisher's exact tests.