Table 5: Differences in sum scores by GMFCS Levels I–III versus IV-V and I-II versus III–V.

SubscaleEstimateStandard error valuePr >

GMFCS Levels I–III versus IV-V

Self-care9.94736841.12189868.87<.0001
Mobility27.4475001.913847814.34<.0001
Assuming a student’s role—preschool/elementary25.4285716.24826504.070.0016
Assuming a student’s role—secondary****
Expresses learning—unable to use speech4.83333331.18933684.060.0003
Expresses learning—all students−1.77777771.7642292−1.010.3214
Behavior2.06616961.46731781.410.1639

GMFCS Levels I-II versus III–V

Self-care9.61666661.15741108.31<.0001
Mobility26.7573892.021482213.24<.0001
Assuming a student’s role—preschool/elementary25.4285716.24826504.070.0016
Assuming a student’s role—secondary****
Expresses learning—unable to use speech5.40769231.21154814.46<.0001
Expresses learning—all students−1.02608691.7276662−0.590.5569
Behavior1.77573521.46282381.210.2292

N/A as no secondary students in Levels I–III.