Table 1.
Characteristics of the Participants
| All (n = 60) |
African Americans (n = 30) |
European Americans (n = 30) |
||
|---|---|---|---|---|
| Characteristics | Mean (SD) | Mean (SD) | Mean (SD) | P Value |
| 25-hydroxyvitamin D (ng/ml) | 21.59 (7.8) | 17.98 (6.9) | 25.20 (7.0) | <.0001 |
| Age, y | 74.99 (8.2) | 73.39 (7.9) | 76.60 (8.2) | .130 |
| Education, y | 15.00 (2.9) | 14.37 (2.8) | 15.63 (3.0) | .097 |
| Weight, kg | 76.05 (15.8) | 77.3 (13.3) | 74.7 (17.9) | .392 |
| Short Blessed Test | 8.67 (7.4) | 9.57 (8.0) | 7.77 (6.7) | .351 |
| Mini-Mental State Exam | 25.23 (4.4) | 25.70 (4.0) | 24.77 (4.8) | .418 |
| Physical performance test | 27.93 (3.5) | 27.07 (3.6) | 28.75 (3.3) | .079 |
| Bone mineral density, hip | 0.867 (0.13) | 0.876 (0.12) | 0.859 (0.14) | .614 |
| Bone mineral density, spine | 1.018 (0.22) | 1.039 (0.20) | 0.997 (0.23) | .461 |
| t score hip | -1.019 (0.85) | -1.031 (0.78) | -1.007 (0.92) | .914 |
| t score spine | -0.515 (1.72) | -0.479 (1.5) | -0.550 (1.9) | .875 |
| Active mood disordera | 15 {25%} | 7 {23%} | 8 {27%} | .770 |
| Depression features score | 0.83 (1.32) | 0.80 (1.45) | 0.87 (1.20) | .847 |
a
Reflects number of subjects and percentage of each group in { }.