Table 1.

Functional requirements of the platform

Category	Function	Content	Behavior change technique	mHealth platform
				App	Wearable tracker	Web-based portal
Information	Visual display	Personal graph of exercise	Prompt self-monitoring of behavior	◯	◯	◯
	Reminder	Exercise time	Prompt practice	◯		◯
	Education	Exercise, disease management	Provide information about behavior-health link and others’ approval and consequence, Model or demonstrate the behavior	◯		◯
Motivation	Self-monitoring	Daily/weekly exercise	Prompt self-monitoring of behavior	◯	◯	◯
	Goal setting	Assigning tailored step count goal	Prompt specific goal setting, Set graded tasks	◯		◯
	Goal attainment	Reward depending on achievement	Provide contingent rewards	◯		◯
	Feedback	Automatic text messages	Prompt intention formation, Provide feedback on performance	◯		◯
	Recording	Activities, pain level	Prompt self-monitoring of behavior, Prompt barrier identification	◯		◯