Decomposing the causes of socioeconomic-related health inequality among urban and rural populations in China: a new decomposition approach

Cai, Jiaoli; Coyte, Peter C.; Zhao, Hongzhong

doi:10.1186/s12939-017-0624-9

International Journal for Equity in Health

Table 5 RIF-I-OLS decomposition of other forms of rank dependent inequality indices for urban samples

From: Decomposing the causes of socioeconomic-related health inequality among urban and rural populations in China: a new decomposition approach

Variables	Category	(1)	(2)	(3)	(4)	(5)
Variables	Category	rifEI	rifWI	rifARCI	rifSRCI	rifAC
Demographic characteristics
Gender	Female (Reference)
Gender	Male	−0.001	−0.001	−0.001	−0.000	−0.000
Age group	Quartile 4 (56+) (Reference)
	Quartile 1 (18–33)	−0.049***	−0.048***	−0.031***	−0.017***	−0.012***
	Quartile 2 (33–43)	−0.005	−0.004	−0.008	0.004	−0.001
	Quartile 3 (43–56)	0.015*	0.016*	0.005	0.011**	0.004*
Ethnicity	Ethnic Minority (Reference)
Ethnicity	Han	0.032***	0.032***	0.015***	0.017***	0.008***
Marital status	Divorced, separated, or widowed (Reference)
	Married	−0.115***	−0.115***	−0.055***	−0.060***	−0.029***
	Single	−0.042***	−0.042***	−0.023***	−0.019**	−0.011***
Household size		0.003	0.003	0.001	0.002	0.001
Health insurance	Yes = 1; No = 0	−0.029***	−0.029***	−0.013***	−0.017***	−0.007***
Socioeconomic status
Per capita household income		−0.099***	−0.099***	−0.048***	−0.051***	−0.025***
Work status	Work = 1; Not working = 0	0.078***	0.079***	0.036***	0.043***	0.020***
Education degree	Primary education (Reference)
	Secondary education	−0.098***	−0.097***	−0.048***	−0.049***	−0.024***
	Tertiary education	0.088***	0.089***	0.039***	0.050***	0.022***
Lifestyle factors
Smoking history	Yes = 1; No = 0	0.007	0.007	0.003	0.004	0.002
Drinking alcohol	Yes = 1; No = 0	0.022***	0.022***	0.009***	0.013***	0.005***
BMI	Normal weight (Reference)
	Underweight	0.102***	0.101***	0.051***	0.051***	0.025***
	Overweight	−0.005	−0.004	−0.004	−0.000	−0.001
	Obese	0.029***	0.029***	0.015***	0.014***	0.007***
Home environment
Tap water	Yes = 1; No = 0	−0.005	−0.005	−0.002	−0.003	−0.001
Flush toilet	Yes = 1; No = 0	−0.033	−0.033	−0.015	−0.018	−0.008
Region	Eastern (Reference)
	Middle	−0.009	−0.010	−0.003	−0.007*	−0.002
	Western	−0.024***	−0.025***	−0.010**	−0.015***	−0.006***
Year	1991 (Reference)
	1993	0.009	0.009	0.003	0.006	0.002
	1997	0.093***	0.093***	0.045***	0.048***	0.023***
	2000	0.127***	0.127***	0.062***	0.065***	0.032***
	2004	0.122***	0.122***	0.061***	0.061***	0.031***
	2006	0.088***	0.088***	0.045***	0.043***	0.022***
Constant		0.855***	0.854***	0.420***	0.434***	0.214***
Observations		15,981	15,981	15,981	15,981	15,981

*** p < 0.01, ** p < 0.05, * p < 0.1
EI Erreygers index, WI Wagstaff index, ARCI Attainment-relative concentration index, SRCI Shortfall-relative concentration index, AC Absolute concentration index, BMI Body mass index

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