Table 6.

PSM results for the impact of institutional differences and geographical segmentation on the use of health services by the floating elderly population

	Treated	Controls	Difference	S.E.	T-stat
(1) ATT	0.436	0.470	−0.0344	0.0301	−1.14
(2) ATT	0.487	0.410	0.0770	0.0281	2.74
(3) ATT	0.527	0.410	0.117	0.0613	1.91
(4) ATT	0.471	0.406	0.0643	0.0319	2.02

1) The sample only includes the elderly population that participated in medical insurance. The elderly population that did not participate in medical insurance was excluded. 2) Column (1) reports the impact of different medical insurance systems on the utilization of health services by the floating elderly; the treatment group is “BMISUE”, and the control group is “BMISURR.”3) Column (3) and Column (4) report the impact of participating in the BMISUE/BMISURR on the utilization of health services by the floating elderly population in different regions. 4) In the PSM process, a pair of 4 matches in the caliper is used, and the caliper is set to 0.01