Trends in Prevalence of Protective Levels of Hepatitis B Surface Antibody Among Adults Aged 18-49 Years With Risk Factors for Hepatitis B Virus Infection-United States, 2003-2014
Supporting Files
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2020/04/15
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File Language:
English
Details
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Journal Article:Clin Infect Dis
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Personal Author:
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Description:Background.
Hepatitis B virus (HBV) infection can be prevented through vaccination. However, previous data show that only about 24%-45% of US adults at high risk of HBV infection are protected. Our aims were to assess prevalence and trends in protective levels of hepatitis B surface antibody (anti-HBs) from 2003 to 2014 and explore factors associated with protection among adults at high risk.
Methods.
Data were taken from the 2003-2014 National Health and Nutrition Examination surveys. Our sample included adults aged 18-49 years who were tested for HBV and reported at least 1 of the following infection risks: history of sexually transmitted disease, sex with men (for men), infection with human immunodeficiency virus, and injection drug use. We calculated the prevalence of anti-HBs (≥10 mIU/mL), indicative of immunity from vaccination, among respondents for three 4-year time intervals (2003-2006, 2007-2010, and 2011-2014) and applied the Cochran-Mantel-Haenszel test to assess trends. Using multivariable logistic regression, we examined factors associated with positive anti-HBs serology.
Results.
The prevalence of positive anti-HBs serology was 23.4%. Prevalence increased from 2003-2006 (16.3%) to 2007-2010 (27.3%), but no change occurred from 2007-2010 (27.3%) to 2011-2014 (28.1%). Among factors predicting positive anti-HBs serology were young age and higher education.
Conclusions.
By 2014, less than one-third of adults aged 18-49 years at risk of infection exhibited protective antibodies ≥10 mIU/mL. Because these adults account for a majority of unprotected adults, targeted intervention strategies are essential to achieve the hepatitis B elimination goal.
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Source:Clin Infect Dis. 70(9):1907-1915
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DOI:
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Pubmed ID:31228240
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Pubmed Central ID:PMC7440671
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Document Type:
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Funding:
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Genre:
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Volume:70
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Issue:9
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Main Document Checksum:urn:sha-512:37b6c16e2497b627b6d71d25fd1de22050c90784f36f7182adfad405eaa0fdf466c2a515667bdbf3e438450bf12a235682552596f3e55a611c52bcb23cca90da
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File Type:
Supporting Files
File Language:
English
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