Table 2.

Distribution of actual, need-expected, and need-standardized use of outpatient and inpatient services across household income quintiles.

Household income	Outpatient service use			Inpatient service use
	Actual	Need-expected	Need-standardized	Actual	Need–expected	Need-standardized
Quintile I (Poorest)	0.1106	0.1191	0.0988	0.0918	0.1324	0.0687
Quintile II	0.0989	0.1116	0.0946	0.1109	0.1182	0.1021
Quintile III	0.1004	0.1037	0.1039	0.1011	0.1060	0.1044
Quintile IV	0.1092	0.1010	0.1155	0.1084	0.0992	0.1186
Quintile V(Richest)	0.1185	0.1009	0.1249	0.1343	0.0939	0.1497
CM/CN/HI	0.0245	−0.0345	0.0586	0.0569	−0.0701	0.1276
SrErr	0.0214	0.0069	0.0201	0.0206	0.0073	0.0189
T	1.14	−4.99	2.92	2.73	−9.57	6.74
p	0.253	<0.001	0.004	0.006	<0.001	<0.001