Table 1

Medians and 95% CIs of serum enterolactone, daidzein, and genistein in the baseline, intervention, and switchback periods

Baseline periodInterventionSwitchback period
Median (95% CI)6 wk12 wk
Enterolactone, nmol/l12.2 (10.4–19.3)17.2 (13.9–27.2)a19.5 (16.1–31.5)b17.6 (14.2–26.5)
Daidzein, nmol/l1.5 (1.0–4.1)NDc1.5 (1.3–3.0)ND
Genistein, nmol/l1.2 (0.9–2.6)ND1.4 (1.2–2.2)ND
  • a P = 0.03, compared with the baseline.

  • b P = 0.002, compared with the baseline.

  • c ND, not determined.