Table 2.
Determinants of Hip Fracture Risk, Univariate and Multivariate Logistic Regression, Hip Fracture Study (N = 366)a, Northwest Texas, July 2004–April 2006
| Characteristic | Unadjusted OR (95% CI) | Multivariate OR (95% CI) |
|---|---|---|
| Smoking status | ||
| Never smoked | 1.00 | 1.00 |
| Former smoker | 1.32 (0.88-1.97) | 2.27 (1.22-4.21) |
| Current smoker | 1.84 (1.03-3.28) | 3.72 (1.59-8.70) |
| Age, y | ||
| 50-64 | 1.00 | 1.00 |
| 64-79 | 5.90 (3.48-10.01) | 6.37 (3.29-12.34) |
| ≥80 | 25.11 (13.45-46.89) | 25.88 (10.55-63.46) |
| Weight, lb | ||
| <127 | 3.07 (2.00-4.72) | 1.10 (0.58-2.09) |
| ≥127 | 1.00 | 1.00 |
| No. times exercise/wk | ||
| <3 | 3.33 (2.22-4.98) | 1.81 (1.04-3.15) |
| ≥3 | 1.00 | 1.00 |
| Age at menopause, y | ||
| ≤34 | 1.00 | 1.00 |
| 35-44 | 1.04 (0.54-1.99) | 0.89 (0.37-2.14) |
| 45-51 | 0.96 (0.51-1.77) | 0.81 (0.35-1.87) |
| ≥52 | 0.62 (0.30-1.27) | 0.46 (0.18-1.22) |
| Hormone replacement | ||
| Ever | 1.00 | 1.00 |
| Never | 2.56 (1.75-3.76) | 1.74 (0.99-3.06) |
| Calcium supplementation | ||
| Yes | 1.00 | 1.00 |
| No | 1.88 (1.26-2.80 | 1.53 (0.82-2.83) |
| Rurality | ||
| Urban | 1.00 | 1.00 |
| Rural | 2.53 (1.67-3.82) | 2.71 (1.48-4.95) |
| Alcohol consumption | ||
| Yes | 1.00 | 1.00 |
| No | 2.69 (1.72-4.20) | 1.63 (0.86-3.06) |
OR indicates odds ratio; CI, confidence interval.
a
Analysis restricted to respondents who had complete data for variables of interest.