. Author manuscript; available in PMC: 2011 May 28.

Published in final edited form as: J Biomech. 2010 Feb 24;43(8):1476–1482. doi: 10.1016/j.jbiomech.2010.01.037

Table 2.

Multilevel regression parameter estimates of between- and within- level components.

Fixed Effect

Estimate

Intercept

.04583

.00408

11.23

< .01

Sex

.00099

.00579

.17

.86

Span

−.00396

.00107

−3.70

< .01

Span²

.00054

.00002

37.28

< .01

Sex × Span

−.00046

.00152

−.30

.76

Sex × Span²

.00005

.00002

2.31

< .05

Random Effect

Estimate

σ²

.00019

.00000

30.09

< .01

τ₀₀

.00015

.00005

2.82

< .01

τ₁₁

.00001

.00000

2.97

< .01

τ₀₁

−.00004

.00001

−2.81

< .01

ICC

.431

R_{trial}^{2}

.893

R_{participant}^{2}

−2lnL

−10360.1

AIC

−10352.1