September 2023

Volume 40, Issue 3

Sociodemographic disparities in oral health-related quality of life of schoolchildren in rural and urban areas

Authors: Ângela Dalla Nora Nathália C. de Castro Luana S. Alves Carlos Heitor C. Moreira Julio Eduardo A. Zenkner
doi: 10.1922/CDH_00051Nora06


Objective: To assess the association between residence place, socioeconomic conditions and oral health-related quality of life (OHRQoL) among schoolchildren from southern Brazil. Methods: Participants were 9-14-year-old schoolchildren from rural and urban municipal schools from Rosário do Sul, Brazil. The Child Perceptions Questionnaire (CPQ11-14) was used to assess OHRQoL. A structured questionnaire collected data on sociodemographic condition (family income), residence place (urban or rural), use of dental services, and behavioral variables. Clinical oral examination recorded the presence of missing teeth and the gingival bleeding index. Multilevel Poisson regression analysis with a hierarchical approach assessed the association between predictors and CPQ11-14 scores. Rate ratios (RR) and 95% confidence intervals (CI) were estimated. Results: A total of 373 schoolchildren were included (rural area=122; urban area=251), with a mean CPQ11-14 score of 11.83, ranging from 0 to 42. Low-income schoolchildren living in rural areas had 15% higher CPQ11-14 scores than high-income schoolchildren living in urban areas. In urban areas, family income predicted OHRQoL, with low-income schoolchildren having 9% higher CPQ11-14 scores than high-income children. In rural areas, schoolchildren with low household income had 19% higher CPQ11-14 scores than high-income children. Conclusion: Schoolchildren from low-income families had a poorer OHRQoL irrespective of their area of residence (rural or urban). The association between family income and OHRQoL was more pronounced among children living in rural areas. Keywords: Quality of Life, Oral Health, Socioeconomic Factors, Rural Population, Urban Population

£10 single article

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