Background: Rates of hepatitis C virus (HCV) infection are markedly higher for baby boomers compared with other birth cohorts, and they are now recommended for universal one-time screening. This study examines HCV screening rates and predictors for four birth cohorts [born <1945, born 1945–1965 (baby boomers), born 1966–1985, and born >1985] of a nationally representative sample over time.
Methods: We used data from the 2013–2015 National Health Interview Surveys, an annual weighted survey of the U.S. civilian noninstitutionalized population. We assessed HCV screening prevalence stratified birth cohort with bivariate and multivariable logistic regression analyses.
Results: There were 15,100 participants born <1945, 28,725 baby boomers, 28,089 born 1966–1985, and 13,296 born >1985 in the final analytic sample. Screening was 11.5%–12.8% for baby boomers. The second youngest birth cohort was similar to baby boomers (13.7%–14.9%), whereas the older birth cohort was screened less. After excluding participants who typically have higher rates of HCV screening than the general population, we developed a multivariable model of the general population. In the final model for baby boomers the odds of HCV screening increased significantly with each subsequent year (OR=1.20; 95% CI=1.05–1.38 and OR=1.31; 95% CI=1.13–1.52). HCV screening was also significantly associated with age, gender, and race/ethnicity in baby boomers.
Conclusions: While HCV screening is increasing over time, these increases are minimal and there is substantial room for improvement.
Impact: Future research should develop interventions to increase HCV screening with special focus on groups demonstrating significantly lower screening rates, such as Hispanics and females. Cancer Epidemiol Biomarkers Prev; 27(4); 503–13. ©2018 AACR.
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