The effects of poverty reduction policy on health services utilization among the rural poor: a quasi-experimental study in central and western rural China

Table 2 The quality of the PSM models

Matching model	Sample	Mean Bias	Median bias	Pseudo-R²	LR χ²	P > χ²
Any outpatient visit	Unmatched	22.2	15.8	0.125	276.16	0.000
Any outpatient visit	Matched	3.9	3.1	0.005	5.97	0.918
Outpatient institutions	Unmatched	24.4	17.6	0.173	68.82	0.000
	Matched	7.9	7.6	0.027	7.24	0.841
	Matched	10.2	7.5	0.036	9.29	0.751
Any inpatient visit	Unmatched	21.1	17.7	0.092	506.15	0.000
Any inpatient visit	Matched	3.0	2.7	0.002	5.46	0.859
Inpatient institutions	Unmatched	17.2	13.4	0.073	96.95	0.000
	Matched	3.0	3.4	0.003	2.01	0.996
	Matched	5.2	4.4	0.011	7.94	0.719

ISSN: 1475-9276