Fig. 3From: Health enhancing physical activity in patients with hip or knee osteoarthritis - an observational intervention studyDistribution between physically active and inactive at baseline and at follow-up sessions. HEPA (health enhancing physical activity) was defined as self-reported physical activity of at least moderate intensity either a) at least 30Ā min per day on 4Ā days or more per week, or b) at least 150Ā min per weekBack to article page