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Cadernos de Saúde Pública

versão impressa ISSN 0102-311Xversão On-line ISSN 1678-4464

Resumo

CHRESTANI, Maria Aurora Dropa; SANTOS, Iná da Silva dos  e  MATIJASEVICH, Alícia M.. Self-reported hypertension: validation in a representative cross-sectional survey. Cad. Saúde Pública [online]. 2009, vol.25, n.11, pp.2395-2406. ISSN 0102-311X.  https://doi.org/10.1590/S0102-311X2009001100010.

To assess the validity of self-reported hypertension, a population-based cross-sectional study was carried out in Pelotas, Southern Brazil. Individuals aged 20 years were selected through probabilistic two-stage sampling. All 2,949 participants had their blood pressure measured twice (5 minutes apart) during a household visit. Those presenting systolic pressure 140mmHg and/or diastolic pressure 90mmHg were revisited. The gold standard for hypertension was the mean of the two measures taken at the second visit and/or use of anti-hypertensive drugs. Self-reported hypertension was obtained through the question: "Has any doctor ever said that you have high blood pressure?". Prevalence rates for self-reported and measured hypertension were 33.6% and 29.5%, respectively. Sensitivity was 84.3% (81.7-86.7%), specificity 87.5% (86.0-88.9%), positive predictive value 73.9% (71.0-76.6%), and negative predictive value 93.0% (91.8-94.1%). Self-reporting is a reliable method for monitoring prevalence of hypertension, one of the most important risk factors for chronic non-communicable diseases.

Palavras-chave : Hypertension; Chronic Disease; Adult Health.

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