Association between tooth loss and obesity in Brazilian adults: a population-based study

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Bernardo, Carla de Oliveira
Boing, Antonio Fernando
Guedes de Vasconcelos, Francisco de Assis
Peres, Karen Glazer
Peres, Marco Aurelio
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Objective: To examine the association between tooth loss and general and central obesity among adults. Methods: Population-based cross-sectional study with 1,720 adults aged 20 to 59 years from Florianópolis, Southern Brazil. Home interviews were performed and anthropometric measures were taken. Information on sociodemographic data, self-reported diabetes, self-reported number of teeth, central obesity (waist circumference [WC] > 88 cm in women and > 102 cm in men) and general obesity (body mass index [BMI] ≥ 30 kg/m2) was collected. We used multivariable Poisson regression models to assess the association between general and central obesity and tooth loss after controlling for confounders. We also performed simple and multiple linear regressions by using BMI and WC as continuous variables. Interaction between age and tooth loss was also assessed. Results: The mean BMI was 25.9 kg/m2 (95%CI 25.6;26.2) in men and 25.4 kg/m2 (95%CI 25.0;25.7) in women. The mean WC was 79.3 cm (95%CI 78.4;80.1) in men and 88.4 cm (95%CI 87.6;89.2) in women. A positive association was found between the presence of less than 10 teeth in at least one arch and increased mean BMI and WC after adjusting for education level, self-reported diabetes, gender and monthly per capita income. However, this association was lost when the variable age was included in the model. The prevalence of general obesity was 50% higher in those with less than 10 teeth in at least one arch when compared with those with 10 or more teeth in both arches after adjusting for education level, self-reported diabetes and monthly per capita family income. However, the statistical signifi cance was lost after controlling for age. Conclusions: Obesity was associated with number of teeth, though it depended on the participants' age groups.

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Revista de Saúde Pública
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© The Author(s) 2012. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (, which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
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Life Sciences & Biomedicine
Public, Environmental & Occupational Health
Tooth Loss, epidemiology
Obesity, epidemiology
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Bernardo, CDO; Boing, AF; Guedes de Vasconcelos, FDA; Peres, KG; Peres, MA, Association between tooth loss and obesity in Brazilian adults: a population-based study, Revista de Saúde Pública, 2012, 46 (5), pp. 834-842