State-level association between income inequality and mortality in the USA, 1989-2019: ecological study.
James R DunnGum-Ryeong ParkRobbie BrydonMichael VeallLyndsey A RolheiserMichael WolfsonArjumand SiddiqiNancy A RossPublished in: Journal of epidemiology and community health (2024)
The absence or reversal of correlation after 1989 and the presence of an inverse correlation between change in inequality and change in all-cause mortality represents a significant reversal from the findings of a number of other studies. It also raises questions about the conditions under which income inequality may be an important policy target for improving population health.