Assessment of Treatment Adherence and Associated Factors in Chronic Hepatitis B Patients With Supported Management by the HBVCare Application.

Inclusion Criteria

Inclusion Criteria: * Age ≥ 18 years. * Diagnosis of Chronic Hepatitis B (CHB): HBsAg (+) and/or HBV DNA positive for ≥ 6 months; Or HBsAg positive and anti-HBc IgM negative. * Smartphone ownership (iOS or Android) with an active internet connection and the ability to install the HBVCare application. * Sufficient literacy to read and understand Vietnamese and respond to study questions. * Provision of informed consent to participate in the study. Exclusion Criteria: * Mental health disorders, cognitive impairment, or difficulties in communication and mobile application usage. * Severe comorbid chronic conditions, such as heart failure, kidney failure, or respiratory failure. * Presence of severe complications, including gastrointestinal bleeding, liver cancer, hepatic encephalopathy, or acute liver failure.