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P-616 - Income Inequality, Death, and Depression: an Ecological Analysis of us States
Published online by Cambridge University Press: 15 April 2020
Abstract
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Introduction:
Income inequality has been shown to be associated with mortality across US states, i.e. more unequal states have higher mortality. Recent survey results have also shown a significant variation on depression prevalence across the US state, and depression has been shown to increase morbidity and mortality.
Objectives:
To measure the effects of income inequality on mortality taking in account depression prevalence.
Aims:
To test whether the relation between income inequality and mortality found among US states is due to different rates of depression.
Methods:
Data comes from the US Census Bureau (income inequality) and from the Center for Disease Control (mortality and depression prevalence). Simple and multiple linear regression models were estimated.
Results:
Income inequality is positively associated with mortality across US states (p = .039). Depression prevalence was strongly associated with mortality across US states (p < .001). in a multiple regression model including income inequality and depression prevalence, the effect of income inequality is no longer statistically significant (p = .79) while depression prevalence remains significant (p < .001).
Conclusions:
Depression prevalence accounts for the inequality effect and is a powerful predictor of mortality variation across US states.
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- Copyright © European Psychiatric Association 2012
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