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The positive
effect on equity is shown in the case of stroke mortality. States with high
income inequality and relatively high primary care physician to population
ratios have lower stroke mortality whereas those relatively deprived of
primary care physicians have an increased stroke mortality. States with low
income inequality also show the same effect of high and low primary care
resources: more primary care physicians associated with lower mortality and
fewer primary care physicians associated with higher mortality.
Based on data in: Shi L, Starfield B. Primary care, income
inequality, and self-rated health in the United States: a mixed-level
analysis. Int J Health Serv 2000; 30(3):541-555.
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