TABLE 2—
Multivariate Model of 2-Year Hip Fracture Risks: Asset and Health Dynamics Survey, 1993–1995
| Risk Factor | Adjusted Odds Ratio (95% Confidence Interval) | Population-Attributable Risk, % |
| Previous hip fracture | 2.9 (1.53, 5.48) | 12.2 |
| Lifting 10 lb | ||
| Can’t do | 2.1 (1.08, 3.98) | 8.7 |
| Difficulty doing | 1.2 (0.69, 2.26) | 3.1 |
| Don’t do | 1.3 (0.39, 4.50) | 1.6 |
| No difficulty | Reference | |
| Using furniture to get around a room | 9.3 (2.35, 36.86) | 2.6 |
| Any difficulties in activities of daily living | 1.9 (1.10, 3.15) | 25.5 |
| Cognitive functioning (incorrect delayed word recall score) | ||
| 0 | Reference | |
| 1 | 1.0 (0.47, 2.04) | 0.0 |
| 2 | 4.2 (1.62, 8.69) | 4.5 |
| 3 | 14.8 (3.01, 73.07) | 2.7 |
| Type of residence | ||
| Mobile home | 2.5 (1.21, 5.17) | 7.1 |
| Apartment | 1.5 (0.87, 2.71) | 9.2 |
| House | Reference | |
| Educational level | ||
| No high-school diploma | 2.5 (1.03, 6.12) | 31.2 |
| High school or equivalent | 2.0 (0.84, 5.01) | 18.6 |
| College | Reference | |
| Medicare part B coverage | ||
| Yes | Reference | |
| No | 2.4 (1.53, 4.11) | 13.2 |
Note. Odds ratios were adjusted for age, gender, race/ethnicity, previous hip fracture, osteoporosis, alcohol use, paralysis, hip replacement, and net worth. The Hosmer–Lemeshow goodness-of-fit P value (calculated via weighted logistic regression) for the model was .32.