Table 1.
Characteristics of the participants, mean ± SD, or %.
| Characteristic | Over All (N = 265) |
Participants with Osteoporosis (N = 72, 27.2%) |
Participants without Osteoporosis (N = 193, 72.8%) |
p a |
|---|---|---|---|---|
| Age, years | 75.5 ± 6.5 | 76.2 ± 6.4 | 75.3 ± 6.5 | 0.297 |
| Height, cm | 149.4 ± 5.5 | 149.1 ± 5.8 | 149.5 ± 5.4 | 0.593 |
| Weight, kg | 52.4 ± 8.8 | 50.3 ± 8.9 | 53.2 ± 8.6 | 0.015 |
| Body mass index, kg/m2 | 23.5 ± 3.9 | 22.6 ± 3.6 | 23.8 ± 3.5 | 0.016 |
| Medications, number/day | 3.7 ± 3.9 | 5.6 ± 4.9 | 3.0 ± 3.2 | <0.001 |
| Grip strength, kg | 20.4 ± 4.2 | 19.8 ± 4.1 | 20.6 ± 4.2 | 0.154 |
| Usual walking speed, m/s | 1.4 ± 0.2 | 1.4 ± 0.2 | 1.4 ± 0.4 | 0.285 |
| ASMI, kg/m2 | 5.7 ± 0.7 | 5.5 ± 0.6 | 5.8 ± 0.7 | 0.004 |
| No exercise habits, n (%) | 42 (15.8%) | 10 (13.9%) | 32 (16.6%) | 0.594 |
| Fall history, n (%) | 43 (16.2%) | 9 (12.5%) | 34 (17.6%) | 0.315 |
SD, standard deviation; ASMI, appendicular skeletal muscle mass index, a Student’s t-test for continuous measures and χ2 test for proportions.