Variables | Model 1 | Â | Model 2 | ||||
---|---|---|---|---|---|---|---|
 | OR | 95%CI | p |  | OR | 95%CI | p |
Grip strength | 0.98 | 0.97,1.00 | 0.026 | Â | 0.99 | 0.98, 1.01 | 0.496 |
Walking speed | 0.98 | 0.94,1.03 | 0.516 | Â | 0.97 | 0.92, 1.02 | 0.242 |
Upper-extremity function | 1.30 | 1.10,1.52 | 0.002 | Â | 1.31 | 1.11, 1.55 | 0.002 |
Lower-extremity function | 1.20 | 1.07,1.34 | 0.001 | Â | 1.15 | 1.02, 1.30 | 0.020 |
Age (years) | Â | Â | Â | Â | 1.02 | 1.001, 1.04 | 0.037 |
Female | Â | Â | Â | Â | 1.45 | 1.07, 1.98 | 0.017 |
Married | Â | Â | Â | Â | 1.02 | 0.75, 1.39 | 0.922 |
Upper secondary or higher education | Â | Â | Â | Â | 1.27 | 0.48, 3.03 | 0.611 |
Rural residency | Â | Â | Â | Â | 1.26 | 0.95, 1.68 | 0.119 |
Had public insurance | Â | Â | Â | Â | 1.38 | 0.83, 2.39 | 0.235 |
Annual income | Â | Â | Â | Â | Â | Â | Â |
 ≤ ¥1000 |  |  |  |  | ref |  |  |
 ≤ ¥6000 |  |  |  |  | 0.99 | 0.43, 2.07 | 0.988 |
 > ¥6000 |  |  |  |  | 1.21 | 0.49, 2.71 | 0.654 |
Comorbidities | Â | Â | Â | Â | 1.04 | 0.96, 1.13 | 0.348 |
CESD-10 | Â | Â | Â | Â | 1.02 | 1.003, 1.04 | 0.020 |