Validity of Diabetes Self-Reports in the Saku Diabetes Study

Goto, Atsushi; Morita, Akemi; Goto, Maki; Sasaki, Satoshi; Miyachi, Motohiko; Aiba, Naomi; Kato, Masayuki; Terauchi, Yasuo; Noda, Mitsuhiko; Watanabe, Shaw

doi:10.2188/jea.je20120221

Cited by 43 publications

(49 citation statements)

References 24 publications

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“…A self-reported questionnaire always involves misclassification. However, one past study 16 demonstrated high specificity of self-reported diabetes in a similar setting in Japan. This suggests that, although a self-reported questionnaire is not perfect, participants with self-reported diabetes were likely to have true diabetes.…”

Section: Discussionmentioning

confidence: 93%

Descriptive Epidemiology of Diabetes Prevalence and HbA1c Distributions Based on a Self-Reported Questionnaire and a Health Checkup in the JPHC Diabetes Study

Kabeya

Kato

Isogawa

et al. 2014

Journal of Epidemiology

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BackgroundThe present study examined the prevalence of diabetes in Japan during the late 1990s and early 2000s using the Japan Public Health Center-based Prospective Diabetes cohort. We also investigated the distributions of HbA1c values in noncompliant diabetic participants in the cohort.MethodsA total of 28 183 registered inhabitants aged 46–75 years from 10 public health center areas were included in the initial survey. The 5-year follow-up survey included 20 129 participants. The prevalence of diabetes was estimated using both a self-reported questionnaire and laboratory measurements. Among the participants who reported the presence of diabetes on the questionnaire (self-reported diabetes), the distributions of HbA1c values were described according to their treatment status.ResultsThe age-standardized prevalence of diabetes in 55- to 74-year-old adults was 8.2% at the initial survey and 10.6% at the 5-year follow-up. At the initial survey, among participants with self-reported diabetes, the mean HbA1c values in the participants who had never and who had previously received diabetes treatment were 7.01% (standard deviation [SD] 1.56%) and 6.56% (SD 1.46%), respectively. Approximately 15% of the participants who had self-reported diabetes but had never received diabetes treatment had an HbA1c ≥ 8.4%.ConclusionsThe prevalence of diabetes increased in the JPHC cohort between the late 1990s and early 2000s. A certain proportion of participants who were aware of their diabetes but were not currently receiving treatment had poor diabetic control. Efforts to promote continuous medical attendance for diabetes care may be necessary.

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Section: Discussionmentioning

confidence: 93%

Descriptive Epidemiology of Diabetes Prevalence and HbA1c Distributions Based on a Self-Reported Questionnaire and a Health Checkup in the JPHC Diabetes Study

Kabeya

Kato

Isogawa

et al. 2014

Journal of Epidemiology

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“…Em pesquisa realizada no Japão, com indivíduos de 28 a 75 anos, observou-se sensibilidade de 70,4%, especificidade de 97,3%, VPP de 75,7% e VPN de 96,5% para o relato de DM. Esse resultado considerou que a morbidade referida pode ser utilizada como fonte de informação para estudos epidemiológicos relacionados ao DM, principalmente, quando não houver possibilidade de utilização de marcador bioquímico 23 É preciso considerar que as informações relatadas são passíveis de erros em virtude de sua dependência do acesso aos serviços de saúde, da realização de procedimentos diagnósticos 24 , da capacidade do indivíduo de recordar as informações, assim como do desejo de informá-la 25 . Por isso, validar as informações referidas é fundamental para aumentar a confiabilidade da morbidade referida, tendo em vista que erros na determinação da prevalência da doença podem influenciar a qualidade da informação e, por consequência, os planos de ação das políticas públicas de saúde 16 .…”

Section: Discussionunclassified

“…Neste Este estudo observou elevadas prevalências de especificidade do relato do DM entre os idosos. Condição semelhante foi encontrada por outras pesquisas que verificaram a não existência de níveis glicêmicos alterados entre aqueles que referiram não terem sido diagnosticados com a doença 5,23,26,27 .…”

Section: Discussionunclassified

Validade e concordância do diabetes mellitus referido em idosos

Menezes

Oliveira

2019

Ciênc. saúde coletiva

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Validade e concordância do diabetes mellitus referido em idososValidity and concordance of self-reported diabetes mellitus by the elderly Resumo 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. Abstract 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.

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“…In international studies that have investigated self-reported DM among adolescents, adults and older adults, the sensitivity ranged from 30.1% (95%CI 24.0–36.2) to 70.4% (95%CI 64.5–75.8) 5,9,13,20 . The results show that, as in this study, sensitivity depends on the study population.…”

Section: Discussionmentioning

confidence: 99%

Validation of self-reported diabetes in a representative sample of São Paulo city

et al. 2017

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OBJECTIVE To validate the self-reported diabetes mellitus in adults and older adults living in the city of São Paulo, Brazil.METHODS We have used data of 569 subjects (284 adults and 285 older adults), participants of the population-based cross-sectional study Inquérito de Saúde do Município de São Paulo (Health Survey of São Paulo). Fasting glucose ≥ 7.0 mmol/L (126 mg/dL) and/or use of drugs (oral hypoglycemic and/or insulin) defined the diagnosis of diabetes mellitus. We have validated the self-reported diabetes mellitus by calculating the sensitivity, specificity, positive predictive values, and negative predictive values. We have used Poisson regression with robust variance to verify the factors associated with the sensitivity of the self-reported datum. For all analyses, we have considered the sample design of the study.RESULTS The sensitivity of self-reported diabetes mellitus was 63.8% (95%CI 49.2–76.3), specificity was 99.7% (95%CI 99.1–99.9), positive predictive value was 95.5% (95%CI 84.4–98.8), and negative predictive value was 96.9% (95%CI 94.9–98.2). The correct reporting of diabetes mellitus was more prevalent among older adults (PR = 2.0; 95%CI 1.2–3.5) than among adults.CONCLUSIONS The use of the datum of self-reported diabetes mellitus is valid, especially among older adults living in the city of São Paulo. The results highlight the need to track diabetes mellitus in asymptomatic subjects who have one or more risk factors for it, mainly in the adult population of this city.

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Validity of Diabetes Self-Reports in the Saku Diabetes Study

Cited by 43 publications

References 24 publications

Descriptive Epidemiology of Diabetes Prevalence and HbA1c Distributions Based on a Self-Reported Questionnaire and a Health Checkup in the JPHC Diabetes Study

Descriptive Epidemiology of Diabetes Prevalence and HbA1c Distributions Based on a Self-Reported Questionnaire and a Health Checkup in the JPHC Diabetes Study

Validade e concordância do diabetes mellitus referido em idosos

Validation of self-reported diabetes in a representative sample of São Paulo city

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