Table 1.

Summary of physical activity components within the SMART-COPD intervention.

Facet	Step-count (activity tracker and app)a	Daily walk (app only)a	Exercises (app only)a
Goal type	Number of steps (measured by activity tracker)	Length of walk in minutes (measured by phone's accelerometer)	Length of time exercising (measured via manual timer on phone)
Feedback	Daily step-count visible on activity tracker, and feedback graphs on phone	App shows flower gaining petals as they get closer to their goal, and feedback graphs on phone	Videos demonstrating different exercises, timed doing exercises, and feedback graphs on phone Videos developed in-house with PR physiotherapists and featuring a range of COPDb severities

^aIndividualized goals set in partnership with PR staff. Participants self-monitor progress via described outlets.

^bCOPD: chronic obstructive pulmonary disease.