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Table 3 Multiple linear regression model summary improved usual gait speed.

From: Changes in executive functions and self-efficacy are independently associated with improved usual gait speed in older women

  Δ Usual Gait Speed (m/s)
Independent Variable r R2 R2 Change Unstandardized B (Standard Error) Standardized β P - value
Model 1 0.345 0.119 0.119    
   Group 0.082    0.014 (0.018) 0.066 0.441
   Age -0.19 *    -0.014 (0.005) -0.239 0.007
   MMSE Score 0.02    0.004 (0.011) 0.028 0.749
   Baseline Gait Speed -0.19 *    -0.249 (0.081) -0.273 0.003
   Δ Quadriceps Strength 0.11    0.003 (0.002) 0.129 0.133
Model 2 0.441 0.194 0.075    
   Group 0.082    0.008 (0.018) 0.036 0.659
   Age -0.19 *    -0.013 (0.005) -0.217 0.011
   MMSE Score 0.02    0.002 (0.011) 0.015 0.859
   Baseline Gait Speed -0.19 *    -0.283 (0.078) -0.310 < 0.001
   Δ Quadriceps Strength 0.11    0.004 (0.002) 0.173 0.038
   Δ Stroop Test 0.26 *    0.003 (0.001) 0.283 0.001
Model 3 0.490 0.240 0.045    
   Group 0.082    0.017 (0.018) 0.077 0.349
   Age -0.19 *    -0.014 (0.005) -0.236 0.005
   MMSE Score 0.02    0.001 (0.011) 0.008 0.922
   Baseline Gait Speed -0.19 *    -0.248 (0.077) -0.271 0.002
   Δ Quad Strength 0.11    0.002 (0.002) 0.086 0.324
   Δ Stroop Test 0.26 **    0.002 (0.001) 0.229 0.007
   Δ ABC Scale 0.29 ***    0.004 (0.002) 0.236 0.008
  1. * P ≤ 0.05
  2. ** P ≤ 0.01
  3. *** P ≤ 0.001