Physical Activity Promotion Added to Standard Care Pulmonary Rehabilitation and Cognitive Behavioural Therapy

The physical activity (PA) promotion intervention will be provided only to the intervention group, and will include: 1) a step-counter with a digital display, 2) an interview discussing motivational issues, favourite daily activities and strategies to become more physically active; and 3) a tailored physical activity coaching plan including an Individualised activity goal (in steps/day) revised twice weekly through consultation sessions (16 sessions in total). Patients' targets will be revised twice weekly during the consultation sessions which will be incorporated into the Pulmonary rehabilitation sessions. The aim is to increase physical activity by 10% each week. The goal can be altered if required.