Table 3.
General Estimation Equations for Walking Limitation as a Function of 2-Year Weight Change in Nondisabled Subjects at 2-Year Follow-Up (N = 1,737)
| Model 1 | Model 2 | |
|---|---|---|
| Explanatory Variable | Odds Ratio (95% Confidence Interval) | |
| >5% weight loss | 1.35 (1.03–1.76) | 1.28 (0.93–1.76) |
| Stable ± 5 % | 1.00 | 1.00 |
| >5% weight gain | 1.23 (0.93–1.64) | 1.24 (0.91–1.70) |
| Time, years | 1.07 (1.00–1.17) | 1.04 (0.93–1.16) |
| Age | 1.10 (1.07–1.12) | 1.05 (1.03–1.08) |
| Female | 1.28 (1.00–1.63) | 0.47 (0.34–0.65) |
| Married | 0.81 (0.65–1.03) | 0.93 (0.71–1.22) |
| Education, years | 0.98 (0.96–1.01) | 1.00 (0.97–1.04) |
| Body mass index, kg/m2, at baseline | 1.04 (1.01–1.06) | 1.04 (1.01–1.07) |
| Handgrip strength, kg | 0.91 (0.89–0.93) | |
| Medical conditions | ||
| Arthritis | 1.22 (0.95–1.57) | |
| Diabetes mellitus | 1.42 (1.10–1.84) | |
| Heart attack | 0.80 (0.49–1.29) | |
| Stroke | 1.19 (0.71–1.98) | |
| Hip fracture | 4.12 (2.09–8.12) | |
| Cancer | 1.08 (0.71–1.65) | |
| Hospitalization, yes | 1.90 (1.47–2.46) | |
| Mini-Mental State Examination score | 0.97 (0.95–0.99) | |
| Center for Epidemiologic Studies Depression Scale score | 1.03 (1.02–1.04) | |