Influence of China’s 2009 healthcare reform on the utilisation of continuum of care for maternal health services: evidence from two cross-sectional household surveys in Shaanxi Province

Table 5 Decomposition analysis of concentration index on rural women’s continuum of care for maternal health service utilisation before and after healthcare reform (n = 1420)

Variables	Before healthcare reform (n = 416)				After healthcare reform (n = 1004)
Variables	Elasticity	CI	Contribution to CI	%	Elasticity	CI	Contribution to CI	%
Age (years)
≤ 25	Reference				Reference
26–30	−0.004	0.033	−0.0001	−0.14	0.031	−0.014	− 0.0004	−2.29
≥ 31	0.284	−0.023	−0.007	−6.38	0.058	−0.022	− 0.001	− 6.69
Education
≤ Primary school	Reference				Reference
Middle school	0.350	0.029	0.010	9.70	0.160	−0.011	−0.002	−8.87
≥ High school	0.135	0.131	0.018	17.09	0.058	0.154	0.009	47.40
Employment
No	Reference				Reference
Yes	−0.104	0.0003	−0.0001	− 0.03	0.059	0.002	0.0001	0.64
Annual personal expenditure (Chinese Yuan)
Poor	Reference				Reference
Poorer	0.048	0.288	0.014	13.29	0.005	−0.413	−0.002	−11.71
Middle	0.032	0.661	0.021	20.16	0.025	−0.008	− 0.002	−10.57
Richer	0.006	0.875	0.006	5.316	−0.005	0.329	−0.002	−9.12
Richest	0.034	1.072	0.036	34.82	0.019	0.755	0.015	77.19
Health score	−0.005	−0.001	0.000	0.004	0.620	0.002	0.001	6.33
Health insurance
No	Reference				Reference
Yes	0.722	0.0004	0.0003	0.29	0.303	−0.006	−0.002	−10.01
Parity
1	Reference				Reference
≥2	−0.918	−0.005	0.004	4.22	−0.315	−0.003	0.001	4.38
Needs variables	–	–	−0.007	−6.52	–	–	−0.0004	−2.65
HI⁴	–	–	0.111	–	–	–	0.0194	–

Abbreviations: CI concentration index; % Pure percentage contributions of determinants to the socioeconomic inequality in continuum of maternal health service utilisation; HI Horizontal inequity index. Needs variables mean contribution of factors to CI, including age and health score

ISSN: 1475-9276