Story perspectives

New Indices Reveal Hidden Health Inequalities in Socioeconomic Status

8/29/2025

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Summary

Story summary

Traditional inequality measurements, such as the Concentration Index (CI), have limitations due to varying mean health levels.
The study examines the Erreygers Index (EI) for measuring quasi-absolute inequalities alongside the Wagstaff Index (WI).
Both indices range from -1 to +1, reflecting inequalities favoring low or high socioeconomic status (SES) groups.
The Recentered Influence Function (RIF) method analyzes UHC inequality and explanatory variables using OLS regression.

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Story summary

Traditional inequality measurements, such as the Concentration Index (CI), have limitations due to varying mean health levels.
The study examines the Erreygers Index (EI) for measuring quasi-absolute inequalities alongside the Wagstaff Index (WI).
Both indices range from -1 to +1, reflecting inequalities favoring low or high socioeconomic status (SES) groups.
The Recentered Influence Function (RIF) method analyzes UHC inequality and explanatory variables using OLS regression.