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. 2021 Aug 14;20:182. doi: 10.1186/s12939-021-01478-3

Table 13.

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

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

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