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Threshold-effect of income on periodontitis and interactions with race/ethnicity and education

Overview of attention for article published in Revista Brasileira de Epidemiologia, January 2019
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Title
Threshold-effect of income on periodontitis and interactions with race/ethnicity and education
Published in
Revista Brasileira de Epidemiologia, January 2019
DOI 10.1590/1980-549720190001
Pubmed ID
Authors

Roger Keller Celeste, Sara Cioccari Oliveira, Roger Junges

Abstract

The aims of this study were to explore the shape of the relationship of income and education with periodontal health, and to assess the interactions between them and race/ethnicity. Individual level data from the Brazilian National Oral Health Survey in 2010 (Pesquisa Nacional de Saúde Bucal-SB Brasil 2010) were obtained for 9,779 subjects. Relations between per capita income and education with periodontal health were smoothed using Locally Weighted Scatter-plot Smoother (Lowess) technique. Multivariable logistic regression was used to assess independent effects of income, education, race/ethnicity adjusted for age, sex and time since last dental appointment. Prevalence of adults with moderate to severe and severe periodontitis was 17.6 and 6.5%, respectively. The relationship between periodontal health and income was curvilinear, showing a threshold of no relationship for income levels higher than US$ 600/month. In multivariable analysis, after controlling for covariates, only income was significantly associated with periodontal health. There was no significant interaction of income with race or education, neither between race and education. The relation between periodontal health and income was curvilinear and indicated the presence of a threshold, supporting income transfer programs. Beyond the threshold, only education presented a negative linear relationship with moderate to severe periodontitis.

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Mendeley readers

The data shown below were compiled from readership statistics for 35 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 35 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 6 17%
Student > Bachelor 4 11%
Professor 3 9%
Student > Postgraduate 2 6%
Student > Ph. D. Student 2 6%
Other 5 14%
Unknown 13 37%
Readers by discipline Count As %
Medicine and Dentistry 12 34%
Nursing and Health Professions 2 6%
Social Sciences 2 6%
Agricultural and Biological Sciences 1 3%
Pharmacology, Toxicology and Pharmaceutical Science 1 3%
Other 3 9%
Unknown 14 40%