Grooming gain
Variable	Step 1			Step 2			Step 3
Variable	b		bSE	b		bSE	b		bSE
Step 1
NIHSS	0.033	**	0.007	0.014	**	0.004	0.012	**	0.004
c-FIM	0.083	**	0.006	0.012	**	0.004	0.014	**	0.004
Step 2
Dressing lower body gain				0.526	**	0.018	0.505	**	0.019
Locomotion gain				0.185	**	0.018	0.177	**	0.018
Step 3
Dressing lower body gain							0.033	**	0.007
× Locomotion gain							0.033	**	0.007
ΔR²				0.543	**		0.005	**
Adj R²				0.672			0.677