|  |  |  | Quartiles of CMR: mean percentage density (95% confidence interval) |  | |||
---|---|---|---|---|---|---|---|---|
Model adjustments | CMR: β (SE)1 | F | P | Q1 | Q2 | Q3 | Q4 | P for trend |
Premenopausal (n = 146)3 | Â | Â | Â | Â | Â | Â | Â | Â |
   Age, ethnicity, smoking2 | 0.29 (0.52) | 0.31 | 0.58 | 26.7 (14.5–42.6) | 28.4 (16.9–42.8) | 30.7 (19.0–45.2) | 29.9 (17.9–45.0) | 0.57 |
   + total estrogen | 0.36 (0.52) | 0.48 | 0.49 | 26.1 (13.8–42.3) | 28.0 (16.5–42.5) | 30.2 (18.4–44.8) | 30.3 (18.0–45.8) | 0.49 |
   + other covariates | -0.16 (0.38) | 0.17 | 0.68 | 20.1 (10.3–33.1) | 20.9 (11.7–32.8) | 21.2 (12.4–32.2) | 18.5 (10.0–29.6) | 0.72 |
Postmenopausal (n = 149)4 | Â | Â | Â | Â | Â | Â | Â | Â |
   Age, ethnicity, smoking | 1.57 (0.60) | 6.89 | 0.01 | 14.1 (6.6–24.3) | 30.2 (18.4–45.1) | 24.8 (14.7–37.5) | 31.0 (20.9–43.2) | 0.01 |
   + total estrogen | 1.30 (0.64) | 4.05 | 0.05 | 12.8 (5.6–22.9) | 27.2 (15.7–41.7) | 22.5 (12.9–34.8) | 27.4 (17.6–39.4) | 0.03 |
   + other covariates | 0.94 (0.61) | 2.36 | 0.13 | 14.6 (5.7–27.6) | 25.0 (13.0–41.0) | 19.0 (8.6–33.5) | 28.2 (15.8–44.1) | 0.05 |