Burns JK, Tomita A, Kapadia AS. Income inequality and schizophrenia: increased schizophrenia incidence in countries with high levels of income inequality. The International journal of social psychiatry. 2014 Mar;60(60). 185-96. PMID: 23594564 [PubMed] PMCID: PMC4105302 NIHMSID: NIHMS599129.
Income inequality is associated with numerous negative health outcomes. There is evidence that ecological-level socio-environmental factors may increase risk for schizophrenia.