Table 2.
Predictors of impaired mobility
| Variable | Increase in performance times on Timed Up and Go (s) (95% CI) |
p value |
|---|---|---|
| Kyphosis (per SD) | 0.11 (0.02, 0.21) | 0.02 |
| Age (per 5 yrs) | 0.46 (0.38, 0.54) | <0.0001 |
| Smoking | ||
| Non-smoker | Reference | - |
| Former smoker | −0.14 (−0.34, 0.05) | 0.15 |
| Current smoker | 0.26 (−0.04, 0.57) | 0.09 |
| Body mass index | ||
| Underweight | 0.03 (−0.65, 0.72) | 0.92 |
| Normal | Reference | - |
| Overweight | 0.47 (0.27, 0.68) | <0.0001 |
| Obese | 1.23 (0.93, 1.53) | <0.0001 |
| Total hip BMD | ||
| Normal | Reference | - |
| Osteopenic | 0.05 (−0.35, 0.45) | 0.81 |
| Osteoporotic | 0.55 (0.11, 0.99) | 0.015 |
| Grip strength (per SD) | −0.22 (−0.32, −0.13) | <0.0001 |
| Vertebral fractures (n) | ||
| None | Reference | - |
| 1 | 0.16 (−0.08, 0.39) | 0.19 |
| 2 or more | 0.49 (0.17, 0.82) | 0.003 |
95% CI 95% confidence interval, yrs years, SD standard deviation, n number