Effects of health insurance integration on health care utilization and its equity among the mid-aged and elderly: evidence from China

Table 5 The changes of concentration index in health care utilization before and after URRBMI integration

Variables	Control		Integration
Variables	2013	2015	2013	2015
Probability of outpatient visit last month	0.031^**	0.006	0.058^*	0.115^**
Number of outpatient visits last month	0.010	−0.006	0.006	0.000
Probability of inpatient visit last year	0.122^***	0.126^***	0.070	0.189^***
Number of inpatient visits last year	0.002	0.013	−0.006	− 0.004
Probability of unmet hospitalization need last year	0.013	0.040	−0.035	0.049

ISSN: 1475-9276