The promotion of pooling level of basic medical insurance and participants’ health: impact effects and mediating mechanisms

Table 7 Income heterogeneity in the implementation effect of provincial pooling of basic medical insurance

Variables	Medical cost burden	Level of medical institution visited	Health
Low income
Provincial pooling	-0.2273^b(0.0255)	4.0875 ^b(0.7496)	2.2174(0.8852)
Control variables	Control	Control	Control
Constant	0.0098(0.2920)	29.7183(24.2536)	1.2936(18.9421)
Time fixed effect	Control	Control	Control
Provincial fixed effect	Control	Control	Control
Observation	3572	3572	3572
R²	0.8746	0.9271	0.5305
Middle Income
Provincial pooling	-0.2091^b(0.0510)	1.8633(0.4537)	1.1836^b(0.6862)
Control variables	Control	Control	Control
Constant	0.1493(0.5881)	2.8601(4.8674)	2.6720^b(7.8500)
Time fixed effect	Control	Control	Control
Provincial fixed effect	Control	Control	Control
Observation	713	713	713
R²	0.9195	0.9059	0.6563
High income
Provincial pooling	-0.1121^b(0.0346)	1.3325(0.6014)	1.7984^b(1.3980)
Control variables	Control	Control	Control
Constant	1.2314^a(0.7559)	-5.9874(6.7022)	1.6720(16.1406)
Time fixed effect	Control	Control	Control
Provincial fixed effect	Control	Control	Control
Observation	1399	1399	1399
R²	0.7944	0.9378	0.7875

Note: Standard errors are in parentheses; ^b, ^a denote significant at the 1%, and 10% levels of significance

ISSN: 1475-9276