Table 4 Parameters of the simple and mediated multilevel models for α with condition as predictor (exogenous variable) and centered velocity as mediator.

From: The role of environmental constraints in walking: Effects of steering and sharp turns on gait dynamics

Effect

α IN

α OUT

Non-mediated

Mediated

Non-mediated

Mediated

Estimate

SE

Estimate

SE

Estimate

SE

Estimate

SE

Fixed effects

γ α

0.848

0.054

0.826

0.052

0.858

0.049

0.835

0.047

c

0.131

0.030

  

0.165

0.031

  

γ V

  

−0.005

0.019

  

−0.019

0.021

a

  

0.090

0.014

  

0.090

0.016

b

  

1.104

.456

  

1.272

0.520

c′ (direct effect)

  

0.232

0.052

  

0.281

0.060

ab (indirect effect)

  

0.099

   

0.114

 

Model fit statistics

AIC

−29.307

 

−128.900

 

−34.486

 

−113.900

 

BIC

−18.881

 

−75.400

 

−24.060

 

−60.400

 

Log-likelihood

20.653

 

86.500

 

23.243

 

79.000

 

Deviance

−41.307

 

−172.900

 

−46.486

 

−157.900

 

Groups (PP)

7.000

 

7.000

 

7.000

 

7.000

 
  1. Bold for significant fixed effect coefficients.