Disparities in health system input between minority and non-minority counties and their effects on maternal mortality in Sichuan province of western China

Table 5 Estimates of effects of health system indicators on MMR by 2-level Poisson models

Indicators	Model 1 β(SE)	Model 2 β(SE)	Model 3 β(SE)	Model 4 β(SE)	Model 5 β(SE)	Model 6 β(SE)	Model 7 β(SE)	Model 8 β(SE)
Time for change	−0.112 (0.008)**	−0.062 (0.010)**	−0.101 (0.008)**	−0.109 (0.008)**	−0.112 (0.007)**	−0.036 (0.014)*	−0.112 (0.001)*	−0.045 (0.015)**
Minority	0.780 (0.103)**	0.199 (0.118)	0.431 (0.114)**	0.665 (0.103)**	0.582 (0.108)**	0.614 (0.097)**	0.592 (0.119)	0.019 (0.121)
County variance	0.199 (0.042)**	0.105 (0.030)**	0.135 (0.034)**	0.169 (0.039)**	0.159 (0.037)**	0.134 (0.034)**	0.178 (0.040)*	0.067 (0.025)*
RHD		−0.017 (0.002)**						−0.008 (0.003)*
PCR			−0.014 (0.002)**					−0.007 (0.003)*
DRD				−0.096 (0.028)**				−0.050 (0.025)*
NHI					0.417 (0.098)**			0.315 (0.097)**
PGDP						−0.486 (0.079)**		−0.227 (0.091)*
ATH							0.056 (0.002)**	0.001 (0.002)
Change rate explained %		44.6	9.8	2.7	0.0	67.9	0.0	59.8
Ethnic different explained %		74.5	44.7	14.7	25.4	21.3	24.1	97.6
County variance explained %		47.2	32.2	15.1	20.1	32.7	10.6	66.3

RHD: percentage of pregnant women who delivered in hospitals; PCR: prenatal care rate; DRD: number of registered (including assistant) doctors per 1000 population per square km; NHI: number of health institutes per 1000 population; PGDP: the ln(GDP per capita); ATH: the average travelling time to the nearest hospital. *P < 0.05, **P < 0.001

ISSN: 1471-2458