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. 2019 Jan;24(1):27-34.
doi: 10.1590/1413-81232018241.34392016.

[Validity and concordance of self-reported diabetes mellitus by the elderly]

[Article in Portuguese]
Tarciana Nobre de Menezes  1 , Elaine Cristina Tôrres Oliveira  2
Affiliations
Free article

[Validity and concordance of self-reported diabetes mellitus by the elderly]

[Article in Portuguese]
Tarciana Nobre de Menezes et al. Cien Saude Colet. 2019 Jan.
Free article

Abstract
in English, Portuguese

The scope of this study was to verify the validity and concordance of self-reported diabetes (DM) by the elderly in Campina Grande, State of Paraíba. It involved a cross-sectional home-based study, conducted with 362 elderly people aged 60 years of age and above registered in the Family Health Strategy (FHS) Program in Campina Grande, State of Paraíba. A sensitivity calculation, specificity and positive predictive value (PPV) and negative predictive value (NPV) in relation to demographic and socioeconomic variables was carried out to verify the validity and reliability of self-reported DM. The Kappa test was used to verify the concordance between the diagnosis and the reporting of the disease. Among the study participants, 67.4% were women. The prevalence of diagnosed DM of 14.1% and self-reported DM of 18.1% was observed Moderate sensitivity (58.8%), excellent specificity (87.8%), moderate PPV (44.8%) and excellent NPV (92.7%), and moderate concordance of self-reported DM (Kappa = 0.413 p < 0.001) was observed. In this study, due to moderate validity and concordance of self-reported DM among the elderly, it is considered not to be advisable that self-reported DM should be used as a disease prevalence indicator in the population studied.

Este estudo teve como objetivo verificar a validade e a concordância do relato de diabetes mellitus (DM) na população idosa do município de Campina Grande/PB. Trata-se de um estudo transversal, domiciliar, realizado com 362 idosos de 60 anos ou mais de idade cadastrados na Estratégia Saúde da Família do município de Campina Grande/PB. Para verificar a validade e confiabilidade do relato foi realizado o cálculo de sensibilidade, especificidade e valores preditivos positivo (VPP) e negativo (VPN) em relação às variáveis demográficas e socioeconômicas. Utilizou-se o teste Kappa para verificar a concordância entre o diagnóstico e o relato da doença. Entre os participantes deste estudo, 67,4% eram mulheres. Foi verificada prevalência de DM diagnosticado de 14,1% e de DM referido de 18,1%. Foi observada moderada sensibilidade (58,8%), excelente especificidade (87,8%), moderado VPP (44,8%) e excelente VPN (92,7%), além de concordância moderada do relato de DM (Kappa = 0,413; p < 0,001). Observou-se neste estudo que devido à moderada validade e concordância do relato do DM entre os idosos, não é aconselhável que o DM referido seja utilizado como indicador de prevalência da doença na população estudada.

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