How much does household food insecurity explain income inequalities in untreated dental caries? 2019

Fernanda Morais Ferreira, and Monalisa Cesarino Gomes, and Ana Flávia Granville-Garcia, and Gabriela Cristina Santin, and Tatiana Pegoretti Pintarelli, and Juliana Feltrin, and Fabian Calixto Fraiz
Department of Pediatric Dentistry and Orthodontics, Universidade Federal de Minas gerais, UFMG, Belo Horizonte, Minas Gerais, Brazil.

BACKGROUND The pathway by which socioeconomic disadvantages are manifested in the occurrence of dental caries remains unclear. OBJECTIVE To explore how much the association between untreated dental caries and income inequalities is related to household food insecurity (HFI). METHODS A population-based study was conducted with a sample of 466 12-year-old students. Dental caries was evaluated by an examiner who had undergone calibration exercises. HFI was assessed using the Food Insecurity Scale validated for Brazilian Portuguese. Poisson regression models were created to determine associations between dental caries and both household income and HFI. The proportion of the income effect on dental caries explained by HFI was determined by the variation in percentages between the crude prevalence ratio (PRc ) for dental caries and this measure adjusted by HFI (PRa ). RESULTS The prevalence of dental caries was higher among children from families with a per capita household income lower than US$ 71 (PR: 1.69; 95%CI: 1.15-2.49) or from US$ 71 to US$ 142 (PR: 1.50; 95%CI: 1.04-2.17). Moreover, 14% of the association between a low income and dental caries was explained by HFI. CONCLUSIONS Differences in the prevalence of dental caries in schoolchildren related to socioeconomic inequalities could partially be attributed to HFI in low-income families.

UI MeSH Term Description Entries
D007182 Income Revenues or receipts accruing from business enterprise, labor, or invested capital. Income Distribution,Income Generation Programs,Savings,Distribution, Income,Distributions, Income,Income Distributions,Income Generation Program,Incomes,Program, Income Generation,Programs, Income Generation
D001938 Brazil A country located on the eastern coast of South America, located between Colombia and Peru, that borders the Atlantic Ocean. It is bordered on the north by Venezuela, Guyana, Suriname, and French Guiana, on the south by Uruguay, and on the west by Argentina. The capital is Brasilia.
D002648 Child A person 6 to 12 years of age. An individual 2 to 5 years old is CHILD, PRESCHOOL. Children
D003430 Cross-Sectional Studies Studies in which the presence or absence of disease or other health-related variables are determined in each member of the study population or in a representative sample at one particular time. This contrasts with LONGITUDINAL STUDIES which are followed over a period of time. Disease Frequency Surveys,Prevalence Studies,Analysis, Cross-Sectional,Cross Sectional Analysis,Cross-Sectional Survey,Surveys, Disease Frequency,Analyses, Cross Sectional,Analyses, Cross-Sectional,Analysis, Cross Sectional,Cross Sectional Analyses,Cross Sectional Studies,Cross Sectional Survey,Cross-Sectional Analyses,Cross-Sectional Analysis,Cross-Sectional Study,Cross-Sectional Surveys,Disease Frequency Survey,Prevalence Study,Studies, Cross-Sectional,Studies, Prevalence,Study, Cross-Sectional,Study, Prevalence,Survey, Cross-Sectional,Survey, Disease Frequency,Surveys, Cross-Sectional
D003731 Dental Caries Localized destruction of the tooth surface initiated by decalcification of the enamel followed by enzymatic lysis of organic structures and leading to cavity formation. If left unchecked, the cavity may penetrate the enamel and dentin and reach the pulp. Caries, Dental,Carious Lesions,Dental Cavities,Dental Cavity,Dental Decay,Dental White Spots,Carious Dentin,Decay, Dental,Dental White Spot,White Spot, Dental,White Spots, Dental,Carious Dentins,Carious Lesion,Cavities, Dental,Cavity, Dental,Dentin, Carious,Dentins, Carious,Lesion, Carious,Lesions, Carious,Spot, Dental White,Spots, Dental White
D005523 Food Supply The production and movement of food items from point of origin to use or consumption. Food Supply Chain,Chain, Food Supply,Food Supplies,Food Supply Chains,Supplies, Food,Supply Chain, Food,Supply Chains, Food,Supply, Food
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D012959 Socioeconomic Factors Social and economic factors that characterize the individual or group within the social structure. Economic and Social Factors,Social Inequalities,Social Inequality,Social and Economic Factors,Socioeconomic Characteristics,Factors, Socioeconomic,High-Income Population,Land Tenure,Standard of Living,Characteristic, Socioeconomic,Factor, Socioeconomic,High Income Population,High-Income Populations,Inequality, Social,Living Standard,Living Standards,Population, High-Income,Socioeconomic Characteristic,Socioeconomic Factor,Tenure, Land

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