Table 1.
Clinical Characteristics and DXA aBMD Results of Study Cohort (Values Presented as Mean ± SD for Clinical Characteristics and DXA Results
| White (n = 173) | Black (n = 100) | p Value | |
|---|---|---|---|
| Age (years) | 60.0 ± 2.8 | 59.6 ± 2.6 | 0.21 |
| Weight (kg) | 76.4 ± 16.8 | 84.6 ± 19.1 | <0.01 |
| Height (cm) | 164.5 ± 5.9 | 163.7 ± 6.7 | 0.31 |
| Body mass index (kg/m2) | 28.2 ± 5.8 | 31.5 ± 6.5 | <0.01 |
| Postmenopausal (n, %) | 161 (93) | 94 (94) | 0.88 |
| Menopause duration (months) | 92.4 ± 41.7 | 96.0 ± 43.2 | 0.46 |
| Physical activity scorea | 8.5 ± 1.8 | 7.7 ± 1.9 | <0.01 |
| Tobacco, n (%) | 16 (9.3) | 18 (18) | 0.03 |
| Alcohol, n (%) | |||
| None | 19 (11.0) | 36 (36) | <0.01 |
| <2/day | 140 (75.1) | 63 (63) | |
| ≥2/day | 24 (13.9) | 1 (1) | |
| Significant glucocorticoid use, n (%) | 18 (10.4) | 13 (13) | 0.51 |
| Osteoporosis medication use, n (%) | 17 (9.8) | 9 (9) | 0.82 |
| Diabetes, n (%) | 10 (5.8) | 25 (25) | <0.01 |
| Confirmed fracture, n (%) | 22 (12.7) | 9 (9) | 0.35 |
| Systemic HRT use, n (%) | 62 (35.8) | 32 (32) | 0.52 |
| DXA aBMD results | |||
| Total body (g/cm2) | 1.077 ± 0.110 | 1.158 ± 0.124 | <0.0001 |
| Total hip (g/cm2) | 0.911 ± 0.135 | 1.006 ± 0.150 | <0.0001 |
| Femoral neck (g/cm2) | 0.761 ± 0.119 | 0.879 ± 0.140 | <0.0001 |
| Posterior-anterior spine (g/cm2) | 0.986 ± 0.164 | 1.065 ± 0.170 | 0.0002 |
a
Scores range from 3 to 9 with higher scores indicating increased physical activity.(20)