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Race (black-white) and sex inequalities in tooth loss: A population-based study

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  • Lívia Helena Terra e Souza
  • Fredi Alexander Diaz-Quijano
  • Marilisa Berti de Azevedo Barros
  • Margareth Guimarães Lima

Abstract

The effect of health inequalities is determined by different socioeconomic, sex, and race conditions. This study aimed to analyze the association of tooth loss with race (defined by self-reported skin color) and sex. Based on the hypothesis that the association between tooth loss and race may be modified by sex, we also aimed to evaluate possible interactions between race and sex in association with this event, in a population-based study in the city of Campinas, Brazil. A directed acyclic graph was used to select covariates. The prevalence, of tooth loss was 19% higher in black women compared to white men (Prevalence ratio [PR]: 1.19; 95%CI: 1.05–1.34). Moreover, the prevalence of tooth loss in black women was 26% higher than in white women (PR: 1.26; 95%CI: 1.13–1.42); and, within the strata of black people, black women had 14% higher dental loss (PR: 1.14; 95%CI: 1.02–1.27) compared to black men. This study found a significant interaction between race and sex in tooth loss, with a disadvantage for black women. In addition, this work contributes to the discussion of health inequities and can support policies for the provision of universal dental care.

Suggested Citation

  • Lívia Helena Terra e Souza & Fredi Alexander Diaz-Quijano & Marilisa Berti de Azevedo Barros & Margareth Guimarães Lima, 2022. "Race (black-white) and sex inequalities in tooth loss: A population-based study," PLOS ONE, Public Library of Science, vol. 17(10), pages 1-13, October.
    • Handle: RePEc:plo:pone00:0276103
    DOI: 10.1371/journal.pone.0276103
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