Table 4

Adjusted ORs and 95% CIs for breast cancer by joint distribution of urinary excretion of isoflavonoids with lignans and citrus flavonoids, Shanghai, 1996–1998

Excretion rate by medianCases/controlsOR (95% CI)Cases/controlsOR (95% CI)
Lignans (excretion rate by median)<4.16≥4.16
 Total isoflavonoids
  <23.09114/641.00 (reference)38/610.32 (0.18–0.56)
  ≥23.0965/620.52 (0.31–0.88)33/630.28 (0.15–0.50)
 Glycitein
  <1.1797/841.00 (reference)55/410.29 (0.16–0.53)
  ≥1.1725/390.39 (0.22–0.69)73/860.22 (0.12–0.42)
 Citrus flavonoids
  <0.7883/501.00 (reference)38/610.31 (0.17–0.57)
  ≥0.7896/760.75 (0.47–1.22)33/630.38 (0.20–0.72)
Citrus flavonoids (excretion rate by median)<0.78≥0.78
 Total isoflavonoids
  <23.0997/841.00 (reference)55/411.26 (0.75–2.12)
  ≥23.0925/390.67 (0.37–1.22)73/860.73 (0.46–1.15)
 Glycitein
  <1.1798/821.00 (reference)61/441.25 (0.76–2.07)
  ≥1.1724/410.53 (0.29–0.98)67/830.60 (0.36–0.99)
  • a Adjusted for age at first live birth, ever diagnosed with fibroadenoma, total meat intake, and physical activity level.