Analysis of clinical, demographic, socioeconomic, and psychosocial determinants of quality of life of persons with intellectual disability: a cross-sectional Study

Aims: To evaluate the perception of parents about the impact of oral problems in their children, and of demographic, socioeconomic and psychosocial factors on the oral health-related quality of life (OHRQoL) of Brazilian adolescents and young adults with intellectual disability (ID), in 2014. Methods: The sample consisted of 119 individuals. Data collection was performed in stages: calibration and pilot study; Application of questionnaires; Exam of caries, periodontal and need for dental prostheses, in accordance with the World Health Organization criteria. The data were subjected to both bivariate and multivariate analyses to test the association of independent variables with the dependent variable (QoL). Results: Worse QoL was associated with the presence of periodontal pocket (p = 0.03; OR = 2.50; 95% CI 1.06 to 5.90), treatment need (p = 0.01; OR = 5.00; 95% CI 1.37 to 18.31), and need for dental prostheses (p = 0.03; OR = 2.89; 95% CI 1.13 to 7.37). Conclusion: It was concluded that clinical determinants had the greatest influence on OHRQoL of individuals with ID.