Cluster-Randomized Trial to Increase Hepatitis B Testing among Koreans in Los Angeles

In the United States, Korean immigrants experience a disproportionately high burden of chronic hepatitis B (HBV) viral infection and associated liver cancer compared with the general population. However, despite clear clinical guidelines, HBV serologic testing among Koreans remains persistently suboptimal.We conducted a cluster-randomized trial to evaluate a church-based small group intervention to improve HBV testing among Koreans in Los...