Table 1.

Scenarios of the usability test on the mHealth cardiovascular disease mock-up app.

Task	Task item	Test activity
1	Log-in	Logging in to the app using a given test user account
2	My health	Checking one’s comprehensive health status
3	Daily mission	Checking one’s daily mission, as prescribed by a physician
4	Health information	Finding the health information one wants, which can be tailored to one’s disease
5	Health questionnaire	Sounding an alarm for a new questionnaire survey after which participants try to fill in
6	Self-management (blood pressure, blood sugar test, body weight)	Inputting a given blood pressure value (eg, 120/80) into the app, then viewing the blood pressure trend via a graph
7	Diary	Choosing an appropriate icon based on one’s daily moods and symptoms