Agreement Between Self-Reported Information and Health Register Data on Chronic Diseases in the Oldest Old.
Pauliina HalonenEsa JämsenLinda EnrothMarja JylhäPublished in: Clinical epidemiology (2023)
Self-reported information on chronic diseases shows acceptable agreement with health register data to warrant the use of survey methods in population-based health studies among the oldest old. It is important to acknowledge the gaps in health registers when validating self-reported information against register data.