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Table 8 Oaxaca Blinder decomposition of HAZ scores of NFHS 3 and NFHS 4 in Bihar

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

   10   25   50   75   90
NFHS 2 HAZ score −4.041***   −3.016***   −1.975***   −0.843***   0.166**
NFHS 3 HAZ score − 3.593***   −2.654***   −1.664***   −0.463   0.699***
Observed Raw gap in HAZ scores −0.448***   −0.361***   −0.311***   −0.380***   −0.533***
Covariate effect −0.206   0.061   0.168   0.261   0.026
(% contribution) 45.9   −17.0   −53.9   −68.7***   −4.9
Coefficient Effect −0.243   −0.423**   −0.479***   −0.642   −0.559**
(%contribution) 54.1   117.0   153.9   168.7   104.9
  Covariate effect Coefficient effect
  10 25 50 75 90 10 25 50 75 90
Aggregate effect −0.206 0.061 0.168 0.266 0.029 −0.243 − 0.423** − 0.479*** − 0.646*** −0.562
Child Characteristics 0.424 0.220 −0.412 1.088*** 0.940** 0.429* 0.849*** 3.344*** 0.650** 1.349***
(%) 140.5 −21.2 16.1 25.4 107.5 2873.0 256.0 247.2 −52.1 −449.1
Mother’s Characteristics 0.456* −0.463 −1.319 1.041*** −0.160 6.123*** −2.277 −18.339*** 10.574*** 2.242
(%) 151.2 44.6 51.5 24.3 −18.3 41,039.2 −687.0 − 1355.7 − 847.8 − 746.3
Household’s Characteristics −0.582 − 0.789 − 0.849 2.145*** − 0.200 − 0.935*** −0.958** −1.711* 0.733* −0.016
(%) −192.9 76.1 33.2 50.1 −22.9 − 6268.0 − 289.0 −126.5 −58.7 5.3
Spatial Characteristics 0.004 −0.005 0.020 0.008 0.014 0.076 −0.246 0.906** 0.163 0.816***
(%) 1.2 0.5 −0.8 0.2 1.6 510.8 −74.3 66.9 −13.1 −271.5
Constant       −5.678** 2.965 17.154** −13.367*** −4.692
Residuals −0.507 1.099 2.728 −4.015 −0.846 − 0.258 −0.754 −1.831 0.601 −0.262
Total 0.302 −1.037 −2.560 4.281*** 0.874 0.015 0.332 1.353 −1.247*** −0.300
  1. ***p < 0.001; **p < 0.01; *p < 0.05; Source: Computed by the authors from unit-level data of NFHS 3 and NFHS 4