Why the study?
The reliability of self-reporting chronic diseases in the baseline data of the Ravansar Non-Communicable Diseases (RaNCD) cohort study needed evaluation.
Is self-reporting of chronic diseases reliable in population-based cohort studies?
Population
202 participants from the RaNCD cohort study
Comparison
Self-report of chronic diseases at baseline vs 30-35 days after recruitment
Design
Cohort sub-study
Follow-up
30-35 days (mean = 32)
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Variable self-report reliability for chronic diseases warrants caution in cohort data use; leaves open need for validation in future studies.
Is self-reporting of chronic diseases reliable in population-based cohort studies?
Self-reported data for chronic diseases like cardiac ischemia and diabetes show high reliability in population-based cohorts, supporting their use in epidemiological studies.
A 2018 study studied this question.
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