Table 1. Baseline characteristics of women with a BSO (N=20) and intact women with 1+visit during late perimenopause (N=1159).
| % (N) or Mean (SD) | |||
|---|---|---|---|
| Baseline characteristic | BSO women | Intact women | p-value |
| Ethnicity: | 0.0850 | ||
| African American | 50.0 (10) | 30.2 (350) | |
| White | 35.0 (7) | 45.3 (525) | |
| Chinese | 5.0 (1) | 10.0 (116) | |
| Hispanic | 10.0 (2) | 3.6 (42) | |
| Japanese | 0.0 (0) | 10.9 (126) | |
| Site: | 0.0831 | ||
| Detroit | 15.0 (3) | 17.3 (201) | |
| Boston | 25.0 (5) | 15.5 (180) | |
| Chicago | 30.0 (6) | 12.3 (142) | |
| Oakland | 5.0 (1) | 17.3 (201) | |
| Los Angeles | 5.0 (1) | 17.0 (197) | |
| Newark | 10.0 (2) | 5.3 (61) | |
| Pittsburgh | 10.0 (2) | 15.3 (177) | |
| Menopause status: | 1.0000 | ||
| Premenopausal | 55.0 (11) | 53.1 (615) | |
| Early perimenopausal | 45.0 (9) | 46.9 (544) | |
| Smoking status: | 0.9488 | ||
| Never | 65.0 (13) | 59.9 (694) | |
| Past | 20.0 (4) | 24.4 (283) | |
| Current | 15.0 (3) | 15.7 (182) | |
| Age | 45.1 (2.7) | 46.7 (2.6) | 0.0871 |
| Body mass index (kg/m2) | 35.8 (10.6) | 28.2 (7.3) | 0.0004 |
| Height (m) | 1.6 (0.06) | 1.6 (0.07) | 0.3910 |
| Weight (kg) | 95.4 (26.6) | 70.4 (21.1) | 0.0002 |
| Age at BSO | 50.4 (4.1) | -- | -- |