Total PCBsa | CYP1A1 M4 genotype | All participants | Premenopausal | Postmenopausal | |||
---|---|---|---|---|---|---|---|
 |  | Patients/controls | OR (95% CI)b | Patients/controls | OR (95% CI)b | Patients/controls | OR (95% CI)b |
<0.349 | Non-M4 | 202/159 | Referent | 132/103 | Referent | 70/56 | Referent |
≥0.349 | Non-M4 | 139/163 | 0.7 (0.5–1.0) | 46/48 | 0.8 (0.5–1.2) | 93/115 | 0.7 (0.4–1.1) |
<0.349 | Any M4 | 19/19 | 0.8 (0.4–1.6) | 17/11 | 1.2 (0.5–2.7) | 2/8 | 0.2 (0.0–0.9) |
≥0.349 | Any M4 | 14/17 | 0.7 (0.3–1.6) | 5/5 | 0.8 (0.2–2.9) | 9/12 | 0.7 (0.3–1.7) |
ICR (95% CI) | Â | Â | 0.2 (-0.6,1.0) | Â | -0.1 (-1.6,1.3) | Â | 0.8 (0.1,1.5) |