Threshold-effect of income on periodontitis and interactions with race/ethnicity and education.
Roger Keller CelesteSara Cioccari OliveiraRoger JungesPublished in: Revista brasileira de epidemiologia = Brazilian journal of epidemiology (2019)
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.