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Table 6 Oaxaca Blinder decomposition of HAZ scores of NFHS 1 and NFHS 2 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 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
  1. ***p < 0.001; **p < 0.01; *p < 0.05; Source: Computed by the authors from unit-level data of NFHS 1 and NFHS 2