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Please use this identifier to cite or link to this item: http://repositorio.ufba.br/ri/handle/ri/19039

Title: Impact of Income Inequality and Other Social Determinants on Suicide Rate in Brazil.
Other Titles: PLoS One
Authors: Machado, Daiane Borges
Rasella, Davide
Santos, Darci Neves dos
Keywords: Suicide;Income Inequality;Socioeconomic Conditions
Issue Date: Apr-2015
Publisher: Public Library of Science
Abstract: Studies about suicide worldwide have mainly focused on individual-level psychiatric risk factors. In Brazil, suicide is an important public health problem. Brazil has evidenced important socioeconomic changes over the last decades, leading to decreasing income inequality. However, the impact of income inequality on suicide rate has never been studied in the country. Purpose To analyze whether income inequality and other social determinants are associated with suicide rate in Brazil. Method This study used panel data from all 5,507 Brazilian municipalities from 2000 to 2011. Suicide rates were calculated by sex and standardized by age for each municipality and year. The independent variables of the regression model included the Gini Index, per capita income, percentage of individuals with up to eight years of education, urbanization, average number of residents per household, percentage of divorced people, of Catholics, Pentecostals, and Evangelicals. A multivariable negative binomial regression for panel data with fixed-effects specification was performed. Results The Gini index was positively associated with suicide rates; the rate ratio (RR) was 1.055 (95% CI: 1.011–1.101). Of the other social determinants, income had a significant negative association with suicide rates (RR: 0.968, 95% CI: 0.948–0.988), whereas a low-level education had a positive association (RR: 1.015, 95% CI: 1.010–1.021). Conclusions Income inequality represents a community-level risk factor for suicide rates in Brazil. The decrease in income inequality, increase in income per capita, and decrease in the percentage of individuals who did not complete basic studies may have counteracted the increase in suicides in the last decade. Other changes, such as the decrease in the mean residents per household, may have contributed to their increase. Therefore, the implementation of social policies that may improve the population’s socioeconomic conditions and reduce income inequality in Brazil, and in other low and middle-income countries, can help to reduce suicide rates.
URI: http://repositorio.ufba.br/ri/handle/ri/19039
ISSN: 1932-6203
Appears in Collections:Artigos Publicados em Periódicos Estrangeiros (ISC)

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