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. 2022 Oct 10:56:85.
doi: 10.11606/s1518-8787.2022056004178. eCollection 2022.

Mortality inequalities measured by socioeconomic indicators in Brazil: a scoping review

Maria Yury Ichihara  1 , Andrêa J F Ferreira  1   2 , Camila S S Teixeira  1   2 , Flávia Jôse O Alves  1   2 , Aline Santos Rocha  1   3 , Victor Hugo Dias Diógenes  4   5 , Dandara Oliveira Ramos  1   2 , Elzo Pereira Pinto Júnior  1 , Renzo Flores-Ortiz  1 , Leila Rameh  1 , Lilia Carolina C da Costa  6 , Marcos Roberto Gonzaga  4 , Everton E C Lima  7 , Ruth Dundas  8 , Alastair Leyland  8 , Maurício L Barreto  1   2
Affiliations

Mortality inequalities measured by socioeconomic indicators in Brazil: a scoping review

Maria Yury Ichihara et al. Rev Saude Publica. .

Abstract

Objective: Summarize the literature on the relationship between composite socioeconomic indicators and mortality in different geographical areas of Brazil.

Methods: This scoping review included articles published between January 1, 2000, and August 31, 2020, retrieved by means of a bibliographic search carried out in the Medline, Scopus, Web of Science, and Lilacs databases. Studies reporting on the association between composite socioeconomic indicators and all-cause, or specific cause of death in any age group in different geographical areas were selected. The review summarized the measures constructed, their associations with the outcomes, and potential study limitations.

Results: Of the 77 full texts that met the inclusion criteria, the study reviewed 24. The area level of composite socioeconomic indicators analyzed comprised municipalities (n = 6), districts (n = 5), census tracts (n = 4), state (n = 2), country (n = 2), and other areas (n = 5). Six studies used composite socioeconomic indicators such as the Human Development Index, Gross Domestic Product, and the Gini Index; the remaining 18 papers created their own socioeconomic measures based on sociodemographic and health indicators. Socioeconomic status was inversely associated with higher rates of all-cause mortality, external cause mortality, suicide, homicide, fetal and infant mortality, respiratory and circulatory diseases, stroke, infectious and parasitic diseases, malnutrition, gastroenteritis, and oropharyngeal cancer. Higher mortality rates due to colorectal cancer, leukemia, a general group of neoplasms, traffic accident, and suicide, in turn, were observed in less deprived areas and/or those with more significant socioeconomic development. Underreporting of death and differences in mortality coverage in Brazilian areas were cited as the main limitation.

Conclusions: Studies analyzed mortality inequalities in different geographical areas by means of composite socioeconomic indicators, showing that the association directions vary according to the mortality outcome. But studies on all-cause mortality and at the census tract level remain scarce. The results may guide the development of new composite socioeconomic indicators for use in mortality inequality analysis.

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Conflict of interest statement

Conflict of Interest: The authors declare no conflict of interest.

Figures

Figure
Figure. Flow diagram for the scoping review process.
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