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

Table 7 Oaxaca Blinder decomposition of HAZ scores of NFHS 2 and NFHS 3 in Bihar

		10		25		50		75		90
NFHS 2 HAZ score		−5.036***		−4.043***		−2.908***		−1.294***		0.474
NFHS 3 HAZ score		−4.064***		−3.027***		−1.983***		−0.854***		0.153
Observed Raw gap in HAZ scores		−0.972***		−1.016***		−0.925***		−0.440*		0.321
Covariate effect		−0.384		−0.112		0.393		0.68		0.991
(% contribution)		39.5		11		−42.5		−154.5		309.3
Coefficient Effect		−0.588		−0.905**		−1.317***		−1.121**		−0.671
(%contribution)		60.5		89		142.5		254.5		−209.3
	Covariate effect					Coefficient effect
	10	25	50	75	90	10	25	50	75	90
Aggregate effect	−0.384	−0.112	0.393	0.680	0.991	−0.588	−0.905**	−1.317***	−1.121**	− 0.671
Child Characteristics	0.034	−0.032	−0.207	− 0.415	−1.136**	− 1.702***	− 1.667***	− 0.775***	− 0.897***	−1.777***
(%)	− 2.2	2.2	90.1	− 418.8	397.3	−136.4	−150.9	181.0	− 1008.0	− 265.7
Mother’s Characteristics	− 1.941*	− 1.409	− 0.349	0.630	1.811	9.36***	22.151***	6.782***	6.046***	13.241***
(%)	123.4	98.8	151.9	636.3	−633.4	750.1	2004.7	− 1584.5	6792.7	1979.2
Household’s Characteristics	0.114	−0.300	− 0.151	− 0.058	− 0.352	− 0.102	−1.856***	−0.184	− 0.373**	0.020
(%)	−7.2	21.0	65.8	−58.1	123.0	−8.1	−167.9	43.0	−419.0	2.9
Spatial Characteristics	0.220	0.314	0.478	−0.058	− 0.610	0.214	0.163	0.192	0.284	0.232
(%)	−14.0	−22.0	−207.8	−59.1	213.1	17.2	14.8	−44.9	318.8	34.7
Constant						−6.524*	−17.687***	−6.443***	−4.971***	− 11.046***
Residuals	1.189	1.315	0.623	0.581	1.278	−1.836	−2.009	−0.889	−1.209	− 1.34
Total	−1.573	− 1.427	− 0.23	0.099	− 0.286	1.248***	1.105***	−0.428***	0.089	0.669***

***p < 0.001; **p < 0.01; *p < 0.05; Source: Computed by the authors from unit-level data of NFHS 2 and NFHS 3

ISSN: 1471-2458