This 4-year project will be guided by a biobehavioral model for the study of exercise interventions in two phases with the purposes to :

1. explore the patients' physical activity preferences and develop doable activity lists during treatment period
2. examine the changes of health-related physical fitness component over interferon treatment
3. develop the Personalized Physical Activity and Psych-Education (PPAPE) Program and test its effects on decreasing fatigue, physical and psychological distress, and improving their health-related physical fitness and quality of life in patients with chronic hepatitis C receiving Interferon with Ribavirin Combination Therapy
4. evaluate the outcome of the PPAPE program on increasing adherence to therapy, the sustained virological response (SVR) in 24 weeks after the end of treatment, and the time-consuming for education program during intervention.

Inclusion Criteria:

• Patients with Chronic Hepatitis C Infection Receiving Interferon Therapy
• Aged above 18

Exclusion Criteria:

• None