Income Inequality and Mortality
Results From a Longitudinal Study of Older Residents of São Paulo, Brazil
Bibliographic Data
Objectives. We determined whether community-level income inequality was associated with mortality among a cohort of older adults in São Paulo, Brazil. Methods. We analyzed the Health, Well-Being, and Aging (SABE) survey, a sample of community-dwelling older adults in São Paulo (2000–2007). We used survival analysis to examine the relationship between income inequality and risk for mortality among older individuals living in 49 districts of São Paulo. Results. Compared with individuals living in the most equal districts (lowest Gini quintile), rates of mortality were higher for those living in the second (adjusted hazard ratio [AHR] = 1.44, 95% confidence interval [CI] = 0.87, 2.41), third (AHR = 1.96, 95% CI = 1.20, 3.20), fourth (AHR = 1.34, 95% CI = 0.81, 2.20), and fifth quintile (AHR = 1.74, 95% CI = 1.10, 2.74). When we imputed missing data and used poststratification weights, the adjusted hazard ratios for quintiles 2 through 5 were 1.72 (95% CI = 1.13, 2.63), 1.41 (95% CI = 0.99, 2.05), 1.13 (95% = 0.75, 1.70) and 1.30 (95% CI = 0.90, 1.89), respectively. Conclusions. We did not find a dose–response relationship between area-level income inequality and mortality. Our findings could be consistent with either a threshold association of income inequality and mortality or little overall association
Cohort study · Confidence interval · Economic inequality · Hazard ratio · Inequality · Proportional hazards model · Demography · Health disparities and outcomes · Health Systems, Economic Evaluations, Quality of Life · Healthcare Systems and Reforms · Internal Medicine · Medicine · Gerontology
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| Citations per year | 0.2 |
|---|---|
| Citation span | 2016 - 2024 (9) |
| Highly cited | No |