Changes in inequality in utilization of preventive care services: evidence on China’s 2009 and 2015 health system reform

Table 3 Oaxaca-type decomposition for changes in inequality in preventive health services utilization, 2009–2015

	Δc*η_kt	Δη*c_kt-1	Total	Percentage (%)
Gender
Male	Ref.
Female	0.0010	−0.0003	0.0007	−1.71
Age	0.0077	0.0023	0.0100	−24.01
Marital status
Unmarried	Ref.
Married	−0.0028	0.0008	−0.0020	4.86
Divorced / Widowed / Separated	0.0025	−0.0037	−0.0012	2.93
Education
Primary school and below	Ref.
High school	0.0017	−0.0022	−0.0004	1.05
Technical school	0.0002	−0.0096	−0.0095	22.84
College and above	−0.0073	0.0184	0.0110	−26.60
Employment status
No	Ref.
Yes	−0.0030	−0.0008	−0.0039	9.28
Medical Insurance
No	Ref.
Yes	−0.0004	−0.0068	−0.0073	17.48
Household income (RMB)	0.0011	0.0293	0.0303	−73.07
Residential location
Urban	Ref.
Rural	0.0053	−0.0388	−0.0335	80.69
Region
East	Ref.
Central	0.0037	−0.0059	−0.0022	5.21
West	−0.0059	−0.0219	− 0.0279	67.18
Family size	−0.0029	0.0021	−0.0008	1.88
Disease status
No	Ref.
Yes	−0.0005	−0.0021	−0.0026	6.25
Medical services
No	Ref.
Yes	0.0086	0.0019	0.0105	−25.34

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