Validity of self-reported diabetes in health interview surveys for measuring social inequalities in the prevalence of diabetes

A Espelt, A Goday, J Franch, C Borrell

Research output: Contribution to journalArticleResearch

22 Citations (Scopus)

Abstract

Background To analyse the validity of diabetes declarations in a health interview survey in order to evaluate the appropriateness of using health interview surveys to understand the relationship between diabetes and social groups. Methods People with self-reported diabetes are those who report to have diabetes in the health survey. People with diabetes (gold standard) are those who were identified with fasting blood glucose level $126 mg/dl or those who were treated with oral antidiabetic drugs or insulin. Independent variables were educational level, social class and gender. The authors calculated sensitivity, specificity and k coefficient. Results The majority of indicators for evaluating the adequacy of using health interviews surveys to analyse inequalities in self-reported diabetes by social groups are good. The worst indicator was sensitivity, although it did not vary according to social groups. Conclusion Health surveys are a good instrument to evaluate the social inequalities in the prevalence of diabetes.
Original languageEnglish
JournalJournal of Epidemiology and Community Health
Volume66
Issue number7
DOIs
Publication statusPublished - 1 Jan 2012

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