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Table 3 Multiple linear regression model summary for improved physiological falls risk.

From: Functional neural correlates of reduced physiological falls risk

  Δ PPA Score (Baseline Score - Trial Completion Score)
Independent Variable r R 2 R 2 Change Unstandardized B (Standard Error) Standardized β p - value
Model 1 0.565 0.319 0.319    
Group 0.040    0.015 (0.112) 0.013 0.896
Age -0.078    -0.064 (0.031) -0.211 0.043
Baseline PPA Score 0.526**    0.529 (0.094) 0.575 <0.001
Model 2 0.619 0.383 0.064    
Group 0.040    0.040 (0.107) 0.035 0.713
Age -0.078    -0.068 (0.030) -0.224 0.026
Baseline PPA Score 0.526**    0.521 (0.090) 0.566 <0.001
White Matter Volume -0.263*    -6.670E-6 (0.000) -0.255 0.010
Model 3 0.698 0.487 0.104    
Group 0.040    0.034 (0.099) 0.030 0.733
Age -0.078    -0.088 (0.028) -0.287 0.003
Baseline PPA Score 0.526**    0.504 (0.083) 0.548 <0.001
White Matter Volume -0.263*    -8.800E-6 (0.000) -0.337 <0.001
Cluster 3 1 -0.258    -0.654 (0.177) -0.339 0.014
Model 4 0.729 0.531 0.044    
Group 0.040    0.023 (0.095) 0.021 0.809
Age -0.078    -0.087 (0.027) -0.286 0.002
Baseline PPA Score 0.526**    0.474 (0.081) 0.515 <0.001
White Matter Volume -0.263*    -1.000E-5 (0.000) -0.383 <0.001
Cluster 3 1 -0.258*    -1.159 (0.266) -0.601 <0.001
Cluster 7 2 -0.055    0.637 (0.271) 0.329 0.016
  1. * P≤ 0.05
  2. ** P≤ 0.001
  3. 1 Cluster 3 is the region of left frontal orbital cortex extending towards the insula.
  4. 2 Cluster 7 is the region of right paracingulate gyrus extending towards the anterior cingulate cortex.