Variable | Univariate | Multivariate | ||||||
---|---|---|---|---|---|---|---|---|
Unstandardized regression coefficient | 95% confidence interval | Standardized regression coefficient (β) | P value | Unstandardized regression coefficient | 95% confidence interval | Standardized regression coefficient (β) | P value | |
a: U/L ADL difficulty | ||||||||
 Intercept |  |  |  |  | 28.16 | 7.14 to 49.18 |  |  |
 Age (years) | −0.41 | −0.66 to −0.17 | −0.25 | 0.001 | 0.001 | −0.19 to 0.19 | 0.001 | 0.99 |
 Male | 1.71 | 0.10 to 3.33 | 0.16 | 0.04 | 0.07 | −1.48 to 1.61 | 0.01 | 0.93 |
 Body mass index (kg/m2) | 0.80 | 0.29 to 1.30 | 0.23 | 0.002 | 0.34 | −0.04 to 0.73 | 0.10 | 0.08 |
 Living alone | −1.89 | −3.83 to 0.06 | 0.14 | 0.06 | −0.17 | −1.52 to 1.17 | −0.01 | 0.80 |
 SARC-F score (points) | −3.63 | −4.18 to −3.08 | −0.70 | < 0.001 | −2.68 | −3.41 to −1.95 | −0.52 | < 0.001 |
 Hemodialysis | −4.38 | −6.21 to −2.55 | −0.34 | < 0.001 | 0.55 | −1.25 to 2.35 | 0.04 | 0.55 |
 Grip strength (kg) | 0.75 | 0.56 to 0.95 | 0.50 | < 0.001 | 0.31 | 0.06 to 0.56 | 0.21 | 0.02 |
 Usual gait speed (m/s) | 16.77 | 13.26 to 20.29 | 0.53 | < 0.001 | 4.61 | −0.24 to 9.46 | 0.16 | 0.06 |
b: L/L ADL difficulty | ||||||||
 Intercept |  |  |  |  | 45.07 | 24.26 to 65.89 |  |  |
 Age (years) | −0.45 | −0.73 to −0.17 | −0.24 | 0.002 | −0.04 | −0.23 to 0.15 | −0.02 | 0.65 |
 Male | 0.74 | −1.14 to 2.62 | 0.06 | 0.44 | 0.68 | −0.84 to 2.21 | 0.05 | 0.38 |
 Body mass index (kg/m2) | 0.26 | −0.34 to 0.85 | 0.07 | 0.39 | −0.03 | −0.41 to 0.35 | −0.01 | 0.89 |
 Living alone | −1.57 | −3.82 to 0.68 | −0.10 | 0.17 | 0.70 | −0.64 to 2.03 | 0.05 | 0.30 |
 SARC-F score (points) | −4.65 | −5.21 to −4.10 | −0.78 | < 0.001 | −3.36 | −4.08 to −2.63 | −0.56 | < 0.001 |
 Hemodialysis | −6.39 | −8.41 to −4.36 | −0.43 | < 0.001 | −0.17 | −1.95 to 1.61 | −0.01 | 0.85 |
 Grip strength (kg) | 0.62 | 0.38 to 0.86 | 0.36 | < 0.001 | −0.09 | −0.34 to 0.16 | −0.05 | 0.50 |
 Usual gait speed (m/s) | 23.93 | 20.47 to 27.38 | 0.72 | < 0.001 | 11.61 | 6.81 to 16.42 | 0.35 | < 0.001 |