Table 1.
Baseline Characteristics of Women by Time Since Menopause Stratum
| Variable | Total Participants | Early Postmenopause (<6 y) | Late Postmenopause (≥10 y) |
|---|---|---|---|
| Number of participants | N = 596 | N = 248 | N = 348 |
| Age,a y | 59.9 ± 6.9 | 54.7 ± 4.2 | 63.6 ± 6.1 |
| E2 level at baseline, pg/mL | 8.3 ± 5.3 | 7.9 ± 4.8 | 8.5 ± 5.7 |
| CIMT at baseline,a μm | 770.3 ± 105.5 | 747.1 ± 95.5 | 786.9 ± 109.2 |
| Racea | |||
| White non-Hispanic | 415 (69.6) | 161 (64.9) | 254 (72.9) |
| Black non-Hispanic | 52 (8.7) | 21 (8.5) | 31 (8.9) |
| Hispanic | 79 (13.3) | 36 (14.5) | 43 (12.4) |
| Asian/Pacific Islander | 50 (8.4) | 30 (12.1) | 20 (5.8) |
| Educationa | |||
| High school graduate or less | 22 (3.7) | 6 (2.4) | 16 (4.6) |
| Trade/business school/some college | 173 (29.0) | 60 (24.2) | 113 (32.5) |
| Bachelor’s degree/graduate/professional | 401 (67.3) | 182 (73.4) | 219 (62.9) |
| Treatment | |||
| Placebo | 299 (50.2) | 123 (49.6) | 176 (50.6) |
| Active hormone | 297 (49.8) | 125 (50.4) | 172 (49.4) |
| Hysterectomya | |||
| No | 487 (81.7) | 237 (95.6) | 250 (71.8) |
| Yes | 109 (18.3) | 11 (4.4) | 98 (28.2) |
Continuous variables: mean ± SD and P value from t test. Categorical variables: frequency (percent) and P value from χ2 test or Fisher’s exact test.
a
P value <0.05 from the comparison between early and late postmenopause.