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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