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Table 10 Oaxaca Blinder decomposition of HAZ scores of NFHS 2 and NFHS 3 in Bihar

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

  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 age in months − 0.004 0.060 0.144 0.154 0.191 −1.256 −1.393** − 1.570*** −1.733*** −4.301***
(%) 0.3 −4.2 −62.5 154.8 −66.8 −100.6 − 126.2 366.4 − 1956.9 − 642.6
Age2 0.131 −0.073 − 0.300 − 0.353 − 0.479 − 0.039 1.223*** 0.506** 0.515** 2.071***
(%) −8.3 5.1 130.4 − 355.5 167.5 −3.1 110.7 −118.1 581.2 309.5
Female 0.092 0.172** 0.174** 0.132 0.118 0.074 −0.082 −0.008 0.117** 0.154**
(%) −5.8 −12.0 −75.8 132.6 −41.3 5.9 −7.4 1.8 132.0 23.0
Birth Size
Normal
Average and above −0.093 −0.186 −0.338** − 0.485** − 0.818* − 0.025 −0.401*** 0.086** 0.139*** 0.040
(%) 5.9 13.0 146.9 − 488.6 285.7 −2.0 −36.3 −20.1 156.5 5.9
Small −0.006 0.015 0.070 0.146 −0.056 −0.106* − 0.646*** 0.050* − 0.002 0.027
(%) 0.4 −1.1 −30.6 147.0 19.4 −8.5 −58.5 −11.7 −2.7 4.1
Early Breastfeeding (Yes) −0.051 − 0.034 0.002 − 0.046 − 0.126 0.015 − 0.041 − 0.009 0.009 0.002
(%) 3.3 2.4 −1.0 −45.9 44.1 1.2 −3.7 2.1 10.7 0.2
No. of Siblings −0.034 0.015 0.040 0.038 0.033 −0.365*** −0.327*** 0.170*** 0.059 0.229***
(%) 2.2 −1.0 −17.2 38.2 −11.5 −29.2 −29.6 −39.7 66.1 34.2
Mother’s Characteristics
Institutional Delivery (yes) −0.487 − 0.884** −1.064*** − 0.874* −2.486** − 0.048 − 0.514*** − 0.042 −0.048 − 0.040
(%) 31.0 62.0 462.6 − 880.1 868.7 − 3.8 −46.5 9.9 −54.0 −5.9
Age of mother at first birth −0.016 − 0.007 − 0.040 0.039 − 0.001 −0.773 1.568*** −0.236 − 0.359 0.293
(%) 1.0 0.5 17.3 38.9 0.3 −61.9 141.9 55.2 − 405.6 43.8
BMI of mother 0.002 −0.002 0.000 −0.007 − 0.018 1.440 5.112*** 1.139*** 1.469*** 1.046*
(%) −0.1 0.2 0.2 −7.0 6.3 115.3 462.8 − 265.7 1659.2 156.3
Mother’s anaemia
Yes 0.048 0.343 0.614** 0.878** 1.616 −0.349* −0.165 − 0.127 − 0.022 0.001
(%) −3.1 −24.0 −267.0 883.5 − 564.8 −27.9 −14.9 29.7 −24.9 0.2
Mother’s height − 0.058 − 0.051 − 0.005 − 0.079 0.033 8.563*** 15.272*** 5.641*** 4.671*** 11.333***
(%) 3.7 3.6 2.2 −79.5 −11.4 686.0 1382.6 − 1316.6 5274.9 1693.1
Mother’s Education −0.071 0.276 0.058 0.563 0.670 −0.011 −0.325*** − 0.012 0.021 − 0.027
(%) 4.5 −19.3 −25.1 566.5 − 234.2 −0.9 − 29.5 2.8 23.5 −4.0
Working mother −1.161 −1.384 −0.530 − 0.326 0.338 0.360 1.104*** 0.195* 0.088 0.321**
(%) 73.8 97.0 230.5 − 328.3 −118.1 28.9 99.9 −45.4 99.8 48.0
Empowerment −0.002 0.057 0.073 0.149 0.217 0.012 −0.141*** − 0.012 − 0.010 − 0.010
(%) 0.1 −4.0 −32.0 149.9 −76.0 1.0 −12.7 2.9 −11.7 − 1.5
Media exposure −0.196 0.244 0.544 0.288 1.442 0.168 0.241** 0.238*** 0.236*** 0.324***
(%) 12.5 −17.1 −236.9 290.3 − 503.8 13.4 21.9 −55.5 266.4 48.3
Religion
Hindu
Muslim/Others 0.028 −0.007 − 0.132* − 0.175 − 0.318 0.007 − 0.080** 0.078*** 0.091*** −0.053
(%) −1.8 0.5 57.5 −175.7 111.0 0.5 −7.3 − 18.2 103.1 − 7.9
Caste
SC
ST 0.005 −0.020 0.014 −0.045 0.018 0.017 − 0.007 − 0.007 − 0.011 −0.012
(%) − 0.3 1.4 −6.1 −45.1 −6.1 1.3 −0.6 1.5 −12.2 −1.8
Others 0.115 0.068 0.159 0.130 −0.240 0.301 −0.674*** 0.195 −0.073 0.251
(%) −7.3 −4.7 −69.2 130.8 84.0 24.1 −61.0 −45.4 −82.9 37.5
Wealth index −0.035 − 0.340 −0.1925 0.032 0.189 −0.426** −1.095*** − 0.450*** − 0.380*** −0.167
(%) 2.2 23.9 83.7 32.1 −66.0 −34.1 −99.1 105.0 − 429.1 −24.9
Place of residence
Urban
Rural 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 −58.9 213.0 17.2 14.8 −44.8 320.4 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 − 1.340
Total −1.573 − 1.427 − 0.230 0.099 −0.286 1.248*** 1.105*** −0.428*** 0.089 0.669***
  1. ***p < 0.001; **p < 0.01; *p < 0.05; Source: Computed by the authors from unit-level data of NFHS 2 and NFHS 3