University of California, Los Angeles, School of Nursing, Box 956917, Los Angeles, CA 90095-6917, USA.
AIMS: To estimate the cost-effectiveness of three behavioral interventions provided to enhance hepatitis A virus (HAV) and hepatitis B virus (HBV) joint vaccination (HAV/HBV) compliance among homeless persons living in Los Angeles County. SCOPE: A cost-effectiveness analysis (CEA) based on data from a randomized trial where the costs and compliance data from the trial are incorporated into two Markov models, simulating the natural history of acute and chronic hepatitis infection, following HAV/HBV vaccination. CONCLUSIONS: Reductions in HBV-related disease is cost-effective to society and is associated with substantial improvements in quality of life.