anything even aging increases inflammation, unrelated to hbv.you can find tons of videos on youtube on how to deal with inflammation and prevent serious diseases that come with inflammation such as stroke, heart failure and so on and usually it is what you eat to make such a state of inflammation.
Ford Brewer MD MPH has an mazing chanel on youtube about these topics and how to deal with it, your glucose levels (not fasting) and your insulin resistence are the most probable cause
It could be totally unrelated to Hep B. Lot of people have elevated CRP, especially if they have Heart Disease or GI issues like Irritable Bowel etc in their family.