Prevalence, Correlates, and Description of Self-Reported Diabetes in Brazilian Capitals – Results from a Telephone Survey

Betine Pinto Moehlecke Iser, Deborah Carvalho Malta, Bruce Bartholow Duncan, Lenildo de Moura, Álvaro Vigo and Maria Inês Schmidt

PLOS ONE, 2014, vol. 9, issue 9, 1-8

Abstract: Introduction: The prevalence of diabetes is increasing worldwide. The objective of this study is to estimate the prevalence of self-reported diabetes in Brazilian adults and to describe its population correlates as well as the clinical characteristics of the reported cases. Methods: We analyzed basic and supplementary data of 54.144 subjects participating in VIGITEL 2011 (Surveillance System for Risk and Protective Factors for Chronic Diseases), a telephone survey based on a probabilistic sample of subjects ≥18 years old residing in Brazilian state capitals and the Federal District. Estimates reported are weighted so as to represent the surveyed population. Results: The prevalence of self-reported diabetes was 6.3% (95% CI 5.9–6.7), increasing markedly with age and nutritional status, and decreasing with level of education. Prevalence was higher among those self-declaring their race/color as black. Most cases (90%) reported the diagnosis being made at 35 years or older. The vast majority (99.8%) of self-reported cases informed having previously performed at least one glucose test, and 76% of those not reporting diabetes also informed having previously performed glucose testing. Most cases (92.6%) reported following some form of diabetes treatment, 79% taking medication. Conclusion: The estimated prevalence of known diabetes found, 6.3%, is consistent with estimates given by international summaries. The additional data collected in VIGITEL 2011 regarding previous glucose testing and current treatment support the use of telephone-based information to monitor the prevalence of known diabetes in Brazilian capitals.

Date: 2014
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Persistent link: https://EconPapers.repec.org/RePEc:plo:pone00:0108044

DOI: 10.1371/journal.pone.0108044

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