Background And Aims: There are minimal recent population-based data on the epidemiology of () in the United States.
Methods: This retrospective cohort study evaluated positivity rates in adult members of a large, community-based US population in 2000-2019. Time trends, demographic disparities, and birth cohort effects on test positivity rates were analyzed.
Results: Among 751,322 individuals tested for , the overall nonserological and serological test positivity rates were 18.2% (95% confidence interval [CI], 18.1%-18.4%) and 36.8% (95% CI, 36.6%-36.9%), respectively. Nonserological positivity rate (95% CI) was significantly higher among Asian (23.2% [22.8%-23.6%]), Black (25.1% [24.4%-25.8%]), and Hispanic (28.1% [27.7%-28.5%]) individuals than non-Hispanic White individuals (10.0% [9.8%-10.2%]), and was significantly higher among individuals with a non-English language preference (32.9% [32.3%-33.5%]) than those with English language preference (15.8% [15.6%-15.9%]). Patterns were similar for serological positivity, although with substantially higher rates. Serological positivity rates decreased over 2 decades but nonserological positivity rates initially decreased and then stabilized over the past decade. There was a significant decrease in both nonserological and serological positivity rates from older to younger birth cohorts. Older age, non-White race or Hispanic ethnicity, male sex, and non-English language preference were associated with high odds of positivity.
Conclusion: The burden of decreased over 2 decades, although the rates of active infection plateaued over the past decade in a diverse, community-based US population, likely attributable to birth cohort effects and demographic changes. Asian, Black, and Hispanic individuals had 2-3-fold higher rates of active infection than non-Hispanic White individuals. These findings should inform targeted screening and eradication of in high-risk US populations.
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| http://dx.doi.org/10.1016/j.gastha.2024.04.008 | DOI Listing |
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