Validation of self diagnosis of high blood pressure in a sample of the Spanish EPIC cohort: overall agreement and predictive values

摘要

Study objective-High blood pressure is a variable related to several chronic condi- tions whose repeated measurement in large cohort studies is often not feasible having to rely on the self reporting of the subjects. The aim of the study is to validate such self diagnosis in a sample of members from the Spanish EPIC cohort study. Design-comparison of high blood pres- Sure self diagnosis with the information Provided by the personal medical record Drawn from the primary health centre of Reference for such population. Setting-A small town near the EPIC- Murcia centre, one of five Spanish EPIC Centres located in the south east, where Inclusion in the cohort was offered to the General population.