Table 6.

Oaxaca-type decomposition of change for inequality in probability and frequency of inpatient service utilization, China, 2013–2015

Variable	Probability of inpatient visits			Frequency of inpatient visits
	△CI2	△Elast3	Change	△CI2	△Elast3	Change
Predisposing variables	0.0010	0.0039	0.0049	0.0010	0.0058	0.0068
Gender
Female1
Male	0.0000	−0.0009	− 0.0009	0.0000	− 0.0015	− 0.0015
Age
45~591
60~74	0.0004	−0.0003	0.0001	0.0004	−0.0010	−0.0006
75+	−0.0011	0.0000	−0.0011	−0.0014	− 0.0008	−0.0022
Education level
Illiterate1
Primary school	−0.0001	−0.0001	− 0.0002	0.0000	0.0000	−0.0000
Middle school	−0.0007	0.0045	0.0038	−0.0007	0.0060	0.0053
High school and above	0.0000	0.0021	0.0021	−0.0001	0.0098	0.0097
Marital status
Unmarried1
Married	0.0000	−0.0001	−0.0001	− 0.0002	0.0004	0.0002
Employment status
Unemployed1
Agricultural work	0.0011	0.0019	0.0030	0.0015	−0.0019	−0.0004
Working in units	−0.0016	−0.0001	− 0.0017	−0.0030	− 0.0004	−0.0034
Other working	0.0030	−0.0030	0.0000	0.0044	−0.0047	−0.0003
Enabling variables	−0.0023	−0.0365	− 0.0388	−0.0019	− 0.0375	−0.0394
Health insurance schemes
No health insurance1
UEBMI	0.0004	−0.0052	−0.0048	0.0003	−0.0118	− 0.0115
URBMI	−0.0005	0.0013	0.0008	−0.0005	−0.0002	− 0.0007
NRCMS	−0.0005	0.0084	0.0079	−0.0004	0.0227	0.0223
Other health insurance	−0.0027	0.0034	0.0007	−0.0029	0.0016	−0.0013
Geographic location
East1
Central	0.0001	0.0009	0.0010	0.0002	0.0019	0.0021
West	0.0002	−0.0001	0.0001	0.0002	−0.0002	0.0000
Residency location
Rural1
Urban	−0.0003	−0.0052	− 0.0055	0.0000	− 0.0060	−0.0060
PCE	0.0008	−0.0400	−0.0392	0.0012	−0.0455	− 0.0443
Need variables	0.0033	−0.0034	−0.0001	0.0038	−0.0060	− 0.0022
Self-assessed health status
Unhealthy1
Healthy	0.0033	0.0013	0.0046	0.0040	−0.0008	0.0032
Disability
No1
Yes	−0.0005	0.0002	−0.0003	−0.0006	0.0000	−0.0006
PADL
No1
Yes	0.0003	−0.0037	−0.0034	0.0003	−0.0038	− 0.0035
IADL
No1
Yes	0.0001	−0.0012	−0.0011	0.0001	−0.0015	− 0.0014
Residual variables			0.0092			0.0143

Note: ¹Reference group; ²Elasticties₂₀₁₅*(C₂₀₁₅-C₂₀₁₃); ³C₂₀₁₃*(Elasticties₂₀₁₅-Elasticties₂₀₁₃); PCE logarithm value of the per capita household expenditure; PADL Physical Activity of Daily Living; IADL Instrumental Activity of Daily Living; UEBMI Urban Employee Basic Medical Insurance; NRCMS New Rural Cooperative Medical Scheme; URBMI Urban Residents Basic Medical Insurance