Table 4 Linear mixed effects model summary for force regularity (SampEn)

SampEn (log₁₀)

Intercept

-1.51 (0.23)

79.1

-6.49***

Level 1

Condition

0.33 (0.28)

77.5

1.19

0.006

Load Cells

0.02 (0.04)

78.0

0.55

0.003

Level 2

Group

-1.18 (0.41)

80.3

-2.84**

0.068

Age (log₁₀)

0.69 (0.19)

79.2

3.57***

0.103

Sex

-0.004 (0.04)

78.2

-0.09

< 0.001

Interactions

Group x Condition

0.11 (0.05)

74.9

2.23*

0.021

Group x Age (log₁₀)

0.95 (0.35)

80.2

2.73**

0.063

Condition x Age (log₁₀)

-0.52 (0.23)

77.3

-2.21*

0.021

Random Effects

Variance (SD)

Participant (intercept)

0.01 (0.11)

Residual

0.02 (0.15)