Hepatitis B infection among adults in the philippines: A national seroprevalence study

To determine the prevalence of hepatitis B surface antigen (HBsAg) seropositivity among adult Filipinos.Testing for HBsAg was performed on serum samples from persons aged ≥ 20 years old who participated in the National Nutrition and Health Survey (NNHeS) conducted in 2003. Information on age, sex, marital status, educational attainment, employment status, and income were collected. For this study, marital status was classified as never married...