Deciphering disparities in childhood stunting in an underdeveloped state of India: an investigation applying the unconditional quantile regression method

Table 6 Oaxaca Blinder decomposition of HAZ scores of NFHS 1 and NFHS 2 in Bihar

		10		25		50		75		90
NFHS 1 HAZ score		−4.935***		−3.870***		−2.511***		−1.160***		0.098
NFHS 2 HAZ score		−4.812***		−3.659***		−2.339***		−0.930***		0.455***
Observed Raw gap in HAZ scores		−0.124		−0.211***		−0.172**		−0.230**		−0.358***
Covariate effect		−0.059*		−0.050		−0.108**		−0.114***		−0.106
(% contribution)		47.7		23.7		62.9		49.6		29.7
Coefficient Effect		−0.065		−0.161		−0.064		−0.116		−0.251*
(%contribution)		52.3		76.3		37.1		50.4		70.3
	Covariate effect					Coefficient effect
	10	25	50	75	90	10	25	50	75	90
Aggregate effect	−0.059*	− 0.050	− 0.108**	− 0.114***	− 0.106	−0.065	− 0.161*	−0.064	− 0.116	−0.251*
Child Characteristics	−0.193***	−0.260***	− 0.261***	−0.255***	− 0.088	0.389	0.195	0.134	−0.818**	0.342
(%)	142.1	270.8	112.7	95.6	36.5	− 949.8	−263.9	−192.1	534.7	− 559.9
Mother’s Characteristics	− 0.032**	− 0.037**	− 0.033*	− 0.010	0.021	− 0.204	−0.240	− 0.116	0.117	− 0.067
(%)	23.6	38.4	14.1	3.6	−8.8	498.0	324.5	166.3	−76.4	110.1
Household’s Characteristics	0.105*	0.235***	0.064	−0.021	−0.186	− 0.102	− 0.059	− 0.162	− 0.021	0.126
(%)	− 77.5	−244.6	− 27.4	7.8	77.2	247.9	79.6	231.6	13.6	−206.4
Spatial Characteristics	−0.016	− 0.034**	− 0.002	0.019	0.012	0.419	−0.110	− 0.184	− 0.081	−0.631
(%)	11.9	35.8	0.9	−7.1	−4.8	− 1022.3	148.0	262.3	52.9	1033.8
Constant						−0.543	0.139	0.258	0.649	0.169
Residuals	0.077	0.047	0.124	0.153	0.135	−0.024	−0.087	0.006	0.037	−0.19
Total	−0.136	−0.096	− 0.232**	−0.267***	− 0.241	−0.041	− 0.074	−0.07	− 0.153	−0.061

***p < 0.001; **p < 0.01; *p < 0.05; Source: Computed by the authors from unit-level data of NFHS 1 and NFHS 2

ISSN: 1471-2458