Table 3 Linear mixed effects model summary for force variability (SD)

SD (log₁₀)

Intercept

0.26 (0.35)

76.8

0.77

Level 1

Condition

0.04 (0.03)

71.4

1.43

0.007

Load Cells

0.11 (0.06)

76.8

1.92

0.036

Level 2

Group

2.41 (0.62)

77.5

3.89***

0.131

Age (log₁₀)

-0.11 (0.29)

76.9

-0.39

0.002

Sex

-0.14 (0.06)

76.6

-2.32*

0.051

Interactions

Group x Age (log₁₀)

-1.99 (0.52)

77.4

-3.82***

0.127

Random Effects

Variance (SD)

Participant (intercept)

0.04 (0.19)

Residual

0.03 (0.18)