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Table 3 Simple and multiple regression analysis of the effect on ADL difficulty score

From: Comparison of difficulty with activities of daily living in elderly adults undergoing hemodialysis and community-dwelling individuals: a cross-sectional study

VariableUnivariateMultivariate
Unstandardized regression coefficient95% confidence intervalStandardized regression coefficient (β)P valueUnstandardized regression coefficient95% confidence intervalStandardized regression coefficient (β)P value
a: U/L ADL difficulty
 Intercept    28.167.14 to 49.18  
 Age (years)−0.41−0.66 to −0.17−0.250.0010.001−0.19 to 0.190.0010.99
 Male1.710.10 to 3.330.160.040.07−1.48 to 1.610.010.93
 Body mass index (kg/m2)0.800.29 to 1.300.230.0020.34−0.04 to 0.730.100.08
 Living alone−1.89−3.83 to 0.060.140.06−0.17−1.52 to 1.17−0.010.80
 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< 0.0010.55−1.25 to 2.350.040.55
 Grip strength (kg)0.750.56 to 0.950.50< 0.0010.310.06 to 0.560.210.02
 Usual gait speed (m/s)16.7713.26 to 20.290.53< 0.0014.61−0.24 to 9.460.160.06
b: L/L ADL difficulty
 Intercept    45.0724.26 to 65.89  
 Age (years)−0.45−0.73 to −0.17−0.240.002−0.04−0.23 to 0.15−0.020.65
 Male0.74−1.14 to 2.620.060.440.68−0.84 to 2.210.050.38
 Body mass index (kg/m2)0.26−0.34 to 0.850.070.39−0.03−0.41 to 0.35−0.010.89
 Living alone−1.57−3.82 to 0.68−0.100.170.70−0.64 to 2.030.050.30
 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 1.61−0.010.85
 Grip strength (kg)0.620.38 to 0.860.36< 0.001−0.09−0.34 to 0.16−0.050.50
 Usual gait speed (m/s)23.9320.47 to 27.380.72< 0.00111.616.81 to 16.420.35< 0.001
  1. ADL: activities of daily living, L/L: lower limb, U/L upper limb