Table 2.

Results of stepwise multiple linear regression model: partial r ² and model r ² for natural log of aripiprazole dose

Independent variable	Partial r 2	Model r 2	P value
Adjusted urine OPC3373	0.63	0.63	<0.0001
Height (inches)	0.03	0.66	<0.0001
Urine specific gravity	0.02	0.68	0.0001
Dehydroaripiprazole present in urine	0.02	0.70	<0.0001
Black race	0.01	0.71	0.0015
Time between urine test void and prior void	0.003	0.71	0.11