Abstract
Abstract Objectives: Given the substantial disparity in hepatitis B virus (HBV) infection among Vietnamese Americans, it is important to understand what intervention components facilitate behavioral change. In this study, we evaluated the influence of psychosocial factors on HBV screening. Methods: The study sample consists of 1,716 Vietnamese participants in our HBV intervention trial, recruited from 36 community-based organizations in Pennsylvania, New Jersey, and New York City between 2009 and 2014. Using Health Belief Model and Social Cognitive Theory, we measured self-efficacy, knowledge, perceived barriers, perceived benefits, perceived severity, and risk susceptibility. Analysis of covariance (ANCOVA) was used to compare pre- and post-intervention changes of psychosocial variables. Structural equation modeling (SEM) was used to explore the direct and indirect effects of the psychosocial variables on HBV screening. Results: Knowledge, self-efficacy, perceived benefits, and perceived barriers were directly associated with HBV screening, with knowledge having the strongest effect. Perceived severity and risk susceptibility had indirect association with HBV screening through other variables. Indirect paths among the 6 psychosocial variables were also identified. Conclusions: To promote HBV screening among Vietnamese Americans, intervention efforts should focus on increasing knowledge, self-efficacy, and perceived benefits; decreasing perceived barriers; and account for the dynamic cognitive processing. Citation Format: Minsun Lee, Lin Zhu, Min Qi Wang, Zhengyu Wei, Yin Tan, Minhhuyen Nguyen, Olorunseun O. Ogunwobi, Grace X. Ma. The role of psychosocial predictors in HBV screening behavior among Vietnamese Americans [abstract]. In: Proceedings of the Tenth AACR Conference on the Science of Cancer Health Disparities in Racial/Ethnic Minorities and the Medically Underserved; 2017 Sep 25-28; Atlanta, GA. Philadelphia (PA): AACR; Cancer Epidemiol Biomarkers Prev 2018;27(7 Suppl):Abstract nr C60.
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