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Table 4 Unconditional Re-centred Influence Function (RIF) quantile regression results for NFHS 1 (1992-93) and NFHS 2 (1998-99) in Bihar

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

  NFHS 1 NFHS 2
  10 25 50 75 90 10 25 50 75 90
Age of Child −0.073***
(0.006)
−0.103***
(0.0078)
− 0.171***
(0.006)
− 0.173***
(0.007)
− 0.086***
(0.012)
0.025
(0.062)
− 0.104*
(0.055)
− 0.237***
(0.060)
− 0.303***
(0.085)
− 0.419**
(0.195)
Age2 0.001***
(0.0002)
0.001***
(0.0002)
0.003***
(0.0002)
0.003***
(0.0002)
0.001***
(0.0003)
−0.003
(0.002)
0.000
(0.002)
0.004**
(0.002)
0.006***
(0.002)
0.010*
(0.005)
Female 0.234***
(0.035)
0.306***
(0.040)
0.344***
(0.032)
0.367***
(0.034)
0.578***
(0.054)
0.442
(0.289)
0.625**
(0.305)
1.089***
(0.348)
0.412
(0.422)
0.480
(0.842)
Birth Size
Normal           
Average and above 0.054
(0.054)
−0.102
(0.065)
0.077
(0.050)
0.485***
(0.060)
0.332***
(0.095)
0.218
(0.404)
0.580
(0.500)
0.833*
(0.451)
0.944
(0.652)
2.332
(1.472)
Small −0.185***
(0.049)
− 0.003
(0.054)
0.066
(0.044)
0.002
(0.047)
0.088
0.074)
−0.505
(0.518)
0.416
(0.404)
0.476
(0.465)
1.127*
(0.642)
−0.291
(1.111)
 Early Breastfeeding (Yes) 0.820***
(0.035)
1.063***
(0.095)
0.447***
(0.127)
0.422***
(0.142)
−0.242
(0.192)
−1.281
(0.927)
−1.137
(0.787)
−0.117
(0.783)
− 0.064
(1.228)
−2.467**
(1.091)
 No. of Siblings −0.003
(0.010)
0.007
(0.012)
−0.017*
(0.009)
− 0.013
(0.010)
0.036**
(0.016)
− 0.089
(0.126)
− 0.014
(0.095)
0.109
(0.100)
0.146
(0.116)
0.158
(0.211)
Mother’s Characteristics
Institutional Delivery (yes) 0.398***
(0.054)
0.888***
(0.066)
0.398***
(0.061)
0.135**
(0.065)
−0.192**
(0.094)
0.472
(0.579)
1.680***
(0.611)
2.231**
(0.956)
1.943
(1.298)
4.823
(3.050)
 Age of mother at first birth −0.021***
(0.005)
0.005
(0.007)
−0.004
(0.006)
0.020***
(0.007)
0.051***
(0.011)
0.061
(0.063)
0.018
(0.063)
0.045
(0.063)
0.000
(0.072)
−0.006
(0.159)
 BMI of mother       0.000
(0.0004)
0.000
(0.0004)
0.001***
(0.0003)
0.001
(0.0008)
0.003
(0.002)
Mother’s anaemia
 Yes 0.258
(0.368)
−0.274
(0.373)
− 0.998***
(0.384)
−1.256***
(0.469)
−2.049**
(0.903)
 Mother’s height       0.006**
(0.003)
0.003
(0.003)
0.005*
(0.003)
0.006*
(0.004)
−0.003
(0.008)
 Mother’s Education 0.019***
(0.005)
0.003
(0.007)
0.025***
(0.006)
0.030***
(0.007)
0.025**
(0.010)
−0.003
(0.084)
−0.047
(0.097)
− 0.100
(0.089)
−0.187**
(0.075)
− 0.213
(0.201)
 Working mother −0.228***
(0.048)
− 0.551***
(0.054)
− 0.371***
(0.040)
− 0.240***
(0.041)
−0.357***
(0.062)
− 1.16**
(0.568)
− 1.52***
(0.553)
− 0.868
(1.089)
−0.331
(1.132)
0.354
(3.189)
 Empowerment       −0.096
(0.141)
0.019
(0.128)
−0.252**
(0.103)
−0.193
(0.129)
− 0.316
(0.239)
 Media exposure −0.016
(0.030)
0.011
(0.033)
0.157***
(0.028)
0.172***
(0.034)
0.241***
(0.053)
0.020
(0.281)
−0.247
(0.484)
−0.341
(0.440)
− 0.394
(0.458)
−1.629*
(0.927)
Religion
 Hindu           
 Muslim/Others −0.115***
(0.045)
−0.141***
(0.052)
− 0.073*
(0.042)
−0.115***
(0.043)
0.075
(0.068)
−0.468
(0.585)
0.481
(0.501)
0.912
(0.619)
0.802
(0.765)
2.375
(1.774)
Caste
 SC           
 ST 0.480***
(0.085)
1.018***
(0.098)
0.360***
(0.077)
0.179**
(0.082)
−0.435***
(0.138)
0.126
(1.215)
−1.027
(0.831)
−0.097
(0.830)
0.325
(1.132)
0.369
(2.086)
 Others 0.355***
(0.070)
0.765***
(0.077)
0.168***
(0.057)
−0.095
(0.063)
−0.533***
(0.138)
0.030
(0.361)
−0.637*
(0.353)
− 0.100
(0.371)
−0.249
(0.447)
0.407
(0.871)
Wealth index −0.004
(0.018)
0.137***
(0.020)
0.086***
(0.017)
0.053***
(0.018)
0.193***
(0.030)
−0.028
(0.210)
−0.192
(0.199)
− 0.053
(0.189)
−0.008
(0.241)
− 0.086
(0.475)
Place of residence
 Urban           
 Rural 0.241***
(0.061)
0.523***
(0.068)
0.027
(0.055)
−0.282***
(0.065)
−0.131
(0.099)
−1.262*
(0.723)
0.304
0.984)
1.695*
(0.923)
0.144
(1.139)
−1.302
(2.430)
 Constant −4.321***
(0.145)
−3.87***
(0.166)
−1.037***
(0.138)
0.336**
(0.162)
0.426
(0.278)
−11.677***
(4.289)
−6.495
(4.362)
−12.044***
(4.633)
− 10.286*
(5.978)
2.286
(12.925)
 R square 0.0423 0.0938 0.1361 0.1318 0.0456 0.211 0.247 0.3207 0.2267 0.174
 Adj. R square 0.0414 0.0929 0.1352 0.131 0.0446 0.127 0.167 0.2482 0.1443 0.0859
  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; Values in parenthesis are standard errors