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Table 3 Decomposing socioeconomic inequality in the use of IPTp among pregnant women Nigeria 2018

From: Socioeconomic inequality in intermittent preventive treatment using Sulphadoxine pyrimethamine among pregnant women in Nigeria

Variable Coefficients Mean Elasticity Concentration index Absolute contribution Percentage contribution
Age group       0.69
 15–24 1      
 25–34 0.018 0.321 0.009 0.083 0.001 0.46
 35–44 0.029 0.225 0.010 0.05 0.001 0.30
  ≥ 45 0.022 0.089 0.003 −0.043 0.000 −0.07
Educational status      28.66
 No education 1      
 Primary 0.131 0.144 0.030 0.006 0.000 0.10
 Secondary 0.177 0.397 0.112 0.282 0.032 17.76
 Higher 0.202 0.110 .03 0.540 0.019 10.80
Marital status      −0.18
 Never married 1      
 Married 0.054 0.696 0.059 −0.008 −0.000 − 0.27
 Separated 0.051 0.052 0.004 0.032 0.000 0.09
Place of residence      1.13
 Urban 1      
 Rural −0.002 1.541 −0.019 −0.105 0.002 1.13
Wealth Index      47.81
 Poorest 1      
 Poorer 0.067 0.192 0.020 −0.399 −0.008 −4.50
 Middle 0.165 0.196 0.051 0.081 0.004 2.31
 Richer 0.221 0.215 0.074 0.407 0.030 17.0
 Richest 0.259 0.223 0.092 0.638 0.058 33.0
Region       −9.67
 North central 1      
 North east 0.148 0.159 0.040 −0.372 −0.015 −8.30
 North west 0.119 0.292 0.055 −0.271 0.015 −8.30
 South east 0.092 0.119 0.016 0.295 0.004 2.67
 South south 0.022 0.116 0.003 0.330 0.001 0.62
 South west −0.049 0.173 −0.014 0.460 0.007 3.64
Parity       0.03
 1 child 1      
 2 children −0.013 0.165 −0.003 0.120 −0.000 − 0.26
  ≥ 3 children −0.008 0.678 −0.009 0.521 0.000 0.29