Cross-sectional analysis finds income disparities in health system performance, highlighting health inequalities in the US and South Korea.
In this cross-sectional study, income was associated with disparities in health system performance in both the US and South Korea, with larger differences by income in the US. The findings suggest that structural and systemic policy efforts are needed to address income-based health inequalities, particularly in the US.
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Park et al. (2026) studied this question.
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