Table 1.
Characteristics of White Women and Black Women by Prevalent Vertebral Fracture Status: Mean (SD) or Percent
|
White
|
Black
|
|||
| No fracture | Fracture | No fracture | Fracture | |
| N (%) | 6360 (80.9) | 1500 (19.1) | 422 (89.4) | 50 (10.6) |
| Age (yr) | 70.9 (4.9) | 72.9 (5.6)* | 76.9 (4.8) | 78.7 (4.9)† |
| Weight (kg) | 67.7 (12.4) | 65.6 (12.0)* | 75.8 (15.6) | 68.0 (17.1)† |
| Height (cm) | 159.7 (5.9) | 158.1 (6.2)* | 157.9 (6.3) | 156.4 (5.9) |
| BMI (kg/m2) | 26.5 (4.6) | 26.2 (4.3)‡ | 30.4 (6.0) | 27.7 (6.4)† |
| Grip strength (kg) | 21.2 (4.2) | 20.4 (4.6)* | 19.7 (5.1) | 17.8 (5.3)‡ |
| Uses arms to stand (%) | 2.6 | 5.2* | 17.1 | 16.0 |
| Walk for exercise (%) | 52.8 | 50.1 | 40.5 | 36.0 |
| Alcohol (1+ drinks/last month) (%) | 29.1 | 29.0 | 28.7 | 30.0 |
| Current smoker (%) | 9.2 | 10.8 | 7.6 | 10.0 |
| Past smoker (%) | 30.3 | 28.9 | 31.7 | 40.0 |
| Dietary calcium intake (mg/d) | 718 (421) | 723 (433) | 638 (352) | 626 (430) |
| Current calcium supplement (%) | 41.3 | 50.7* | 29.0 | 29.2 |
| Current hormone use (%) | 14.5 | 13.9 | 16.1 | 11.1 |
| Past hormone use (%) | 28.9 | 25.2 | 21.2 | 26.7 |
| Health status | ||||
| Fair, poor, very poor (%) | 14.6 | 17.9† | 31.1 | 42.0 |
| Difficulty ≥ 1 IADLS | 32.3 | 37.2† | 49.3 | 56.0 |
| Any falls last 12 mo (%) | 29.1 | 31.4 | 27.1 | 38.0 |
| Fall ≥ 2 last 12 mo (%) | 10.0 | 11.3 | 9.5 | 16.0 |
| Fractures after age 50 (%) | 32.4 | 51.2* | 21.1 | 36.0‡ |
| Diabetes (%) | 6.8 | 5.5 | 16.2 | 24.0 |
| COPD (%) | 8.5 | 11.4† | 13.5 | 20.0 |
| Hypertension (%) | 37.3 | 39.3 | 64.5 | 54.0 |
| Osteoarthritis (%) | 19.6 | 19.1 | 20.0 | 30.0 |
* p < 0.0001.
† p < 0.01.
‡ p < 0.05.