Journal
AMERICAN JOURNAL OF EPIDEMIOLOGY
Volume 176, Issue 8, Pages 738-743Publisher
OXFORD UNIV PRESS INC
DOI: 10.1093/aje/kws156
Keywords
diabetes; validation study
Categories
Funding
- National Heart, Lung, and Blood Institute [HHSN 268201100005C, HHSN268201100006C, HHSN2682011 00007C, HHSN268201100008C, HHSN268201100009C, HHSN268201100010C, HHSN268201100011C, HHS N268201100012C]
- National Institute of Diabetes and Digestive and Kidney Diseases [T32 DK062707]
- National Institute of Diabetes and Digestive and Kidney Diseases from the US National Institutes of Health [K01 DK076595, R01DK089174]
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The objective of this study was to assess the validity of prevalent and incident self-reported diabetes compared with multiple reference definitions and to assess the reliability (repeatability) of a self-reported diagnosis of diabetes. Data from 10,321 participants in the Atherosclerosis Risk in Communities (ARIC) Study who attended visit 4 (19961998) were analyzed. Prevalent self-reported diabetes was compared with reference definitions defined by fasting glucose and medication use obtained at visit 4. Incident self-reported diabetes was assessed during annual follow-up telephone calls and was compared with reference definitions defined by fasting glucose, hemoglobin A1c, and medication use obtained during an in-person visit attended by a subsample of participants (n 1,738) in 20042005. The sensitivity of prevalent self-reported diabetes ranged from 58.5 to 70.8, and specificity ranged from 95.6 to 96.8, depending on the reference definition. Similarly, the sensitivity of incident self-reported diabetes ranged from 55.9 to 80.4, and specificity ranged from 84.5 to 90.6. Percent positive agreement of self-reported diabetes during 9 years of repeat assessments ranged from 92.7 to 95.4. Both prevalent self-reported diabetes and incident self-reported diabetes were 8497 specific and 5580 sensitive as compared with reference definitions using glucose and medication criteria. Self-reported diabetes was 92 reliable over time.
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