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Table 3 Results of multivariable simultaneous quantile regression analysis for under-five child severe stunting

From: Simultaneous quantile regression and determinants of under-five severe chronic malnutrition in Ghana

VariablesQuantile = 0.1Quantile = 0.9
β95% CIp-valueβ95% CIp-value
Child characteristics
Type of birth
  Singleref  ref  
  Multiple−0.849(−1.202, − 0.53)< 0.001***− 0.334(− 0.457, 0.150)0.044*
Sex
  Maleref  ref  
  Female0.172(0.052, 0.267)0.013*0.049(−0.085, 0.168)0.505
Age (months)−0.015(−0.021, − 0.009)< 0.001***−0.023(− 0.027, − 0.020)< 0.001***
Had diarrhoea
  Noref  ref  
  Yes−0.149(− 0.345, − 0.029)0.196− 0.249(− 0.418, − 0.044)0.013*
Place of delivery
  Health facilityref  ref  
  Home−0.199(− 0.358, − 0.046)0.02*− 0.100(− 0.241, 0.068)0.283
Size at birth
  Large/averageref  ref  
  Small−0.339(−0.537, − 0.18)< 0.001***− 0.397(− 0.530, − 0.233)< 0.001***
Maternal/Household
Maternal age0.016(0.006, 0.027)0.021*0.035(0.024, 0.045)< 0.001***
Children < 5 years−0.192(−0.352, − 0.034)0.038*−0.338(− 0.459, − 0.193)0.001**
Health insurance
  Had no health insuranceref  ref  
  Had health insurance0.237(0.131, 0.386)0.002**0.294(0.164, 0.422)< 0.001***
Wealth status
  Average/ richref  ref  
  Poor−0.259(−0.398, −0.12)0.001**−0.250(− 0.390, − 0.124)0.004**
Maternal education
  Primary/higherref  ref  
  No formal education−0.358(−0.556, − 0.223)< 0.001***−0.052(− 0.208, − 0.116)0.591
  1. β: coefficient of parameter. CI: confidence interval. *: p-value < 0.05. **: p-value< 0.01. ***: p-value < 0.001. ref.: reference category
  2. Note: The DHS categorises the wealth index as poorest, poor, middle, richer and richest. However, in this work, we combined poorest and poorer as poor. Also, middle, richer and richest were combined as average/rich. Similar recoding was done for size at birth, place of delivery and maternal education