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Table 13 Extended and Symmetric Concentration indices (CI) of malnutrition prevalence by methods

From: Dynamics of inequality in child under-nutrition in Ethiopia

Method

HAZ

WHZ

WAZ

v, β parameters

1.5

5

1.5

5

1.5

5

Ranking variable -Wealth index

 Extended CI(v)

−.029

−.094

−.019

−.068

−.033

−.112

 Symmetric CI(β)

−.038

−.073

−.028

−.043

−.047

−.076

 Generalized extended CI(v)

−.327

−.290

−.107

−.106

−.310

−.293

 Generalized symmetric CI(β)

−.252

−.486

−.094

−.144

−.262

−.425

Ranking variable -Consumption

 Extended CI(v)

−.026

−.120

−.014

−.022

−.027

−.101

 Symmetric CI(β)

−.045

−.060

−.016

−.034

−.040

−.065

 Generalized extended CI(v)

−.297

−.370

−.082

−.035

−.256

−.264

 Generalized symmetric CI(β)

−.303

−.399

−.054

−.114

−.225

−.366

  1. v = inequality risk aversion parameter, β = degree of sensitivity to extremity or symmetric parameter. If V = 1.5 ➔ more weight to rich, and V = 5➔ more weight to poor, if β =1.5 ➔ more to middle classes, and β = 5➔ more to extreme classes