Awareness of infection, knowledge of hepatitis C, and medical follow-up among individuals testing positive for hepatitis C: NHANES 2001-08

Hepatology. 2011 Dec 27. doi: 10.1002/hep.25556. [Epub ahead of print]

Denniston MM, Monina KR, McQuillan GM, Jiles RB.

Source

Epidemiology and Surveillance Branch, Division of Viral Hepatitis, National Center for HIV/AIDS, Viral Hepatitis, STD and TB Prevention, Centers for Disease Control and Prevention, Atlanta, GA. mmd1@cdc.gov.

Abstract

Many persons infected with hepatitis C virus (HCV) are unknown to the healthcare system because they may be asymptomatic for years, have not been tested for HCV infection, and only seek medical care when they develop liver-related complications. We analyzed data from persons who tested positive for past or current HCV infection during participation in the National Health and Nutrition Examination Survey (NHANES) from 2001 through 2008. A Follow-up Survey was conducted six months after examination to determine: 1) how many participants testing positive for HCV infection were aware of their HCV status before being notified by NHANES, 2) what actions participants took after becoming aware of their first positive test, and 3) participants' knowledge about hepatitis C. Of 30,140 participants tested, 393 (1.3%) had evidence of past or current HCV infection; 170 (43%) could be contacted during the follow-up survey and interviewed. Only 49.7% were aware of their positive HCV infection status before being notified by NHANES, and only 3.7% of these respondents reported that they had first been tested for HCV because they or their doctor thought they were at risk for infection. Overall, 85.4% had heard of hepatitis C; correct responses to questions about hepatitis C were higher among persons aged 40-59 years, white non-Hispanics, and respondents who saw a physician after their first positive HCV test. Eighty percent of respondents indicated they had seen a doctor about their first positive HCV test result. CONCLUSION: These data indicate that fewer than half of those infected with HCV may be aware of their infection. The findings suggest that more intensive efforts are needed to identify and test persons at risk for HCV infection. (HEPATOLOGY 2011.).

Copyright © 2011 American Association for the Study of Liver Diseases.

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