Journal
JOURNAL OF CLINICAL EPIDEMIOLOGY
Volume 57, Issue 10, Pages 1096-1103Publisher
ELSEVIER SCIENCE INC
DOI: 10.1016/j.jclinepi.2004.04.005
Keywords
cardiovascular diseases; epidemiologic methods; questionnaires; recall; reliability
Funding
- NHLBI NIH HHS [HL-55502] Funding Source: Medline
- NIAMS NIH HHS [AR-30582] Funding Source: Medline
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Objectives: Questionnaires are used to estimate disease burden. Agreement between questionnaire responses and a criterion standard is important for optimal disease prevalence estimates. We measured the agreement between self-reported disease and medical record diagnosis of disease. Study Design and Setting: A total of 2,037 Olmsted County, Minnesota residents greater than or equal to45 years of age were randomly selected. Questionnaires asked if subjects had ever had heart failure, diabetes, hypertension, myocardial infarction (MI), or stroke. Medical records were abstracted. Results: Self-report of disease showed >90% specificity for all these diseases, but sensitivity was low for heart failure (69%) and diabetes (66%). Agreement between self-report and medical record was substantial (kappa 0.71-0.80) for diabetes, hypertension, MI, and stroke but not for heart failure (kappa 0.46). Factors associated with high total agreement by multivariate analysis were age <65 years, female sex, education >12 years, and zero Charlson Index score (P < .05). Conclusion: Questionnaire data are of greatest value in life-threatening, acute-onset diseases (e.g., MI and stroke) and chronic disorders requiring ongoing management (e.g.,diabetes and hypertension). They are more accurate in young women and better-educated subjects. (C) 2004 Elsevier Inc. All rights reserved.
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