Key result
Self-reported history of hypertension, diabetes, and heart disease demonstrated moderate to good agreement with clinical measures, with kappa values of 0.58, 0.76-0.79, and 0.45, respectively.
Why the study?
The reliability and validity of self-reported cardiovascular and cerebrovascular risk factors remain inconsistent in aging research.
Are self-reported histories of hypertension, diabetes, and heart disease reliable and valid compared to direct clinical measurements in a multiethnic elderly cohort?
Observational (n=1,870)
Are self-reported histories of hypertension, diabetes, and heart disease reliable and valid compared to direct clinical measurements in a multiethnic elderly cohort?
Effect estimate: kappa: 0.58 (95% CI 0.53-0.63)
Self-reported histories of hypertension, diabetes, and heart disease demonstrate excellent reliability and moderate-to-good validity compared to clinical measures in diverse older adults.
INTRODUCTION: The reliability and validity of self-reported cardiovascular and cerebrovascular risk factors remains inconsistent in aging research. METHODS: We assessed the reliability, validity, sensitivity, specificity, and percent agreement of self-reported hypertension, diabetes, and heart disease, in comparison with direct measures of blood pressure, hemoglobin A1c (HbA1c), and medication use in 1870 participants in a multiethic study of aging and dementia. RESULTS: Reliability of self-reported for hypertension, diabetes, and heart disease was excellent. Agreement between self-reports and clinical measures was moderate for hypertension (kappa: 0.58), good for diabetes (kappa: 0.76-0.79), and moderate for heart disease (kappa: 0.45) differing slightly by age, sex, education, and race/ethnic group. Sensitivity and specificity for hypertension was 88.6%-78.1%, for diabetes was 87.7%-92.0% (HbA1c > 6.5%) or 92.7%-92.8% (HbA1c > 7%), and for heart disease was 85.8%-75.5%. DISCUSSION: Self-reported history of hypertension, diabetes, and heart disease are reliable and valid compared to direct measurements or medication use.
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Lee et al. (2023) conducted an observational in Vascular risk factors (n=1,870). Self-reported vascular risk factors vs. Direct clinical measurements was evaluated on Agreement between self-reported and measured hypertension (Cohen's kappa) (kappa: 0.58, 95% CI 0.53-0.63). Self-reported history of hypertension, diabetes, and heart disease demonstrated moderate to good agreement with clinical measures, with kappa values of 0.58, 0.76-0.79, and 0.45, respectively.
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