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KMID : 1120220160070020108
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Osong Public Health and Research Perspectives
2016 Volume.7 No. 2 p.108 ~ p.115
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Accuracy of Self-reported Hypertension, Diabetes, and Hypercholesterolemia: Analysis of a Representative Sample of Korean Older Adults
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Chun Hee-Ran
Kim Il-Ho
Min Kyung-Duk
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Abstract
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Objectives: This study will assess the accuracy of self-reported hypertension, diabetes, and hypercholesterolemia among Korean older adults.
Methods: Using data from the fourth Korean National Health Examination and Nutrition Survey (KNHANES IV, 2007?2009), we selected 7,270 individuals aged 50 years and older who participated in both a health examination and a health interview survey. Self-reported prevalence of hypertension (HTN), diabetes mellitus (DM), and hypercholesterolemia was compared with measured data (arterial systolic/diastolic blood pressure, fasting glucose, and total cholesterol).
Results: An agreement between self-reported and measured data was only moderate for hypercholesterolemia (κ, 0.48), even though it was high for HTN (κ, 0.72) and DM (κ, 0. 82). Sensitivity was low in hypercholesterolemia (46.7%), but high in HTN and DM (73% and 79.3%, respectively). Multiple analysis shows that predictors for sensitivity differed by disease. People with less education were more likely to exhibit lower sensitivity to HTN and hypercholesterolemia, and people living in rural areas were less sensitive to DM and hypercholesterolemia.
Conclusion: Caution is needed in interpreting the results of community studies using self-reported data on chronic diseases, especially hypercholesterolemia, among adults aged 50 years and older.
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KEYWORD
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cardiovascular disease risk factors, measured data, self-reported data, sensitivity, specificity, validity
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