Socioeconomic inequalities related to dental care needs among adolescents and adults living in the state of Minas Gerais, Brazil

Andrade, Fabíola Bof de; Andrade, Flávia Cristina Drumond

doi:10.1590/1414-462X202129030186

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ORIGINAL ARTICLE • Cad. saúde colet. 29 (3) • Jul-Sep 2021 • https://doi.org/10.1590/1414-462X202129030186 copy

Socioeconomic inequalities related to dental care needs among adolescents and adults living in the state of Minas Gerais, Brazil

Desigualdades socioeconômicas relacionadas à necessidade de tratamento odontológico entre adolescentes e adultos residentes em Minas Gerais, Brasil

Authorship SCIMAGO INSTITUTIONS RANKINGS

Abstract

Background

There is significant evidence of inequalities in the need for dental treatment, and their monitoring is essential for public health planning.

Objective

To measure the extent of the association between socioeconomic inequality and need for dental care.

Method

This study used data from the 2011 Survey of Oral Health Conditions, including a representative sample of adolescents (n=2,310) and adults (n=1,188) from the state of Minas Gerais, Brazil. Need for dental treatment was evaluated according to criteria of the World Health Organization (WHO). Family income was used as a measure of socioeconomic status. The magnitude of socioeconomic inequalities related to the need for treatment was assessed using the slope index of inequality (SII) and the relative index of inequality (RII).

Results

Among adolescents, the SII was -22.9% (95% CI -34.8; -11.0) and the estimated RII was 0.61 (95% CI 0.47; 0.79). Among adults, the SII was -28.0% (95% CI -39.8; -16.3) and the RII was 0.58 (95% CI 0.45; 0.74).

Conclusion

There are socioeconomic inequalities regarding the need for dental treatment, and individuals with lower family income present a higher prevalence of need.

Keywords:
oral health; socioeconomic factors; Brazil; dental care

	Adolescents (n=2,310)	Adults (n=1,188)
	% (95% CI) ^* * 95% CI: 95% confidence interval	% (95% CI)*
Sex
Male	46.8 (43.6-49.9)	35.0 (31.5-38.7)
Female	53.2 (50.1-56.4)	65.0 (61.3-68.5)
Family Income (BRL)
≤500	9.2 (7.2-11.7)	6.3 (4.7-8.3)
501-1,500	49.8 (45.4-54.2)	48.4 (42.5-54.3)
1,501-2,500	27.5 (23.3-32.1)	27.5 (23.4-32.0)
2,501-4,500	10.8 (8.3-14.1)	13.2 (10.4-16.7)
>4,501	2.7 (1.5-4.8)	4.7 (3.0-7.3)

	Adolescents (n=2,310)		Adults (n=1,188)
	% (95% CI)	p-value	% (95% CI)	p-value
Sex		0.888		0.991
Male	45.8 (41.3,50.4)		51.2 (44.7,57.7)
Female	46.2 (41.8,50.6)		51.3 (46.0,56.5)
Family Income (BRL)		<0.001		<0.001
≤500	65.0 (55.4,73.5)		71.0 (58.9,80.7)
501-1,500	47.1 (41.8,52.4)		55.9 (50.1,61.6)
1,501-2,500	45.3 (39.4,51.3)		47.2 (40.8,53.8)
2,501-4,500	37.0 (29.2,45.5)		40.6 (30.9,51.2)
>4,501	4.8 (1.7,12.9)		30.0 (18.1,45.4)

	SII (95% CI)	RII (95% CI)
Adolescents	-22.9 (-34.8; -11.0)	0.61 (0.47; 0.79)
Adults	-28.0 (-39.8; -16.3)	0.58 (0.45; 0.74)

Instituto de Estudos em Saúde Coletiva da Universidade Federal do Rio de Janeiro Avenida Horácio Macedo, S/N, CEP: 21941-598, Tel.: (55 21) 3938 9494 - Rio de Janeiro - RJ - Brazil
E-mail: cadernos@iesc.ufrj.br

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[1] Correspondence: Fabíola Bof de Andrade. E-mail: fabiola.bof@fiocruz.br