Table 1.
Baseline characteristics of 2298 participants in the Women’s Health Initiative
| Characteristic | WHI-OS | WHI-HT | P-value |
|---|---|---|---|
| (n = 943) | (n = 1355) | ||
| Age (mean years) (SD) | 67.4 (7.0) | 66.7 (7.0) | 0.020 |
| Age (minimum–maximum) | 50.0–79.0 | 50.0–79.0 | |
| BMI (kg/m2), mean (SD) | 27.9 (6.0) | 29.3 (6.0) | 0.001 |
| Systolic blood pressure, mean (SD) | 132.0 (19.0) | 134.0 (18.0) | 0.100 |
| Race (%) | <0.001 | ||
| • White | 74.0% | 84.0% | |
| • Black | 15.0% | 12.0% | |
| • Hispanic | 3.0% | 3.0% | |
| • Asian | 3.0% | 1.0% | |
| Current smoking (%) | 8.1% | 14.2% | <0.001 |
| Diabetes (%) | 10.9% | 14.8% | 0.009 |
| Hypertension (%) | 42.0% | 47.5% | <0.001 |
| All-cause deaths (%) | 44.2% | 50.6% | 0.003 |
| Cardiovascular disease- related deaths (%) | 24.3% | 27.5% | 0.095 |