Peripherality, income inequality, and life expectancy: revisiting the income inequality hypothesis

International Journal of Epidemiology
Spencer Moore

Abstract

Recent criticisms of the income inequality and health hypothesis have stressed the lack of consistent significant evidence for the stronger effects of income inequality among rich countries. Despite such criticisms, little attention has been devoted to the income-based criteria underlying the stratification of countries into rich/poor groups and whether trade patterns and world-system role provide an alternative means of stratifying groups. To compare income-based and trade-based criteria, 107 countries were grouped into four typologies: (I) high/low income, (II) OECD membership/non-membership, (III) core/non-core, and (IV) non-periphery/periphery. Each typology was tested separately for significant differences in the effects of income inequality between groups. Separate group comparison tests and regression analyses were conducted for each typology using Rodgers (1979) specification of income, income inequality, and life expectancy. Interaction terms were introduced into Rodgers specification to test whether group classification moderated the effects of income inequality on health. Results show that the effects of income inequality are stronger in the periphery than non-periphery (IV) (-0.76 vs -0.23; P < 0.05). An incremental...Continue Reading

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Aug 30, 2011·International Journal for Equity in Health·Ana Paula Belon, Marilisa Ba Barros
Mar 3, 2012·The International Journal of Health Planning and Management·Arno Tausch
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Jul 1, 2020·Risk Analysis : an Official Publication of the Society for Risk Analysis·Arnold Barnett

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