Table 3.

The mean and SD of the results obtained from the MyShield usability app according to the Mobile Health App Usability Questionnaire. These statements can receive responses ranging from 1 (strongly disagree) to 7 (strongly agree).

Items, mean (SD) score			Values
Ease of use
	1. The app was easy to use.	6.54 (0.499)
	2. It was easy for me to learn to use the app.	6.33 (0.471)
	3. The interface of the app allowed me to use all the functions (such as entering information, responding to reminders, viewing information) offered by the app.	6.29 (0.568)
	4. The navigation was consistent when moving between screens.	6.15 (0.422)
	5. Whenever I made a mistake using the app, I could recover easily and quickly.	6.00 (0.756)
Interface and satisfaction
	1. I like the interface of the app.	6.95 (0.213)
	2. The information in the app was well organized, so I could easily find the information I needed.	6.93 (0.258)
	3. The app adequately acknowledged and provided information to let me know the progress of my action.	6.89 (0.348)
	4. Overall, I am satisfied with this app.	6.83 (0.373)
	5. The amount of time involved in using this app has been fitting for me.	6.69 (0.462)
	6. I would use this app again.	6.49 (0.523)
	7. I feel comfortable using this app in social settings.	6.18 (0.383)
Usefulness
	1. The app improved my access to health care services.	6.51 (0.5)
	2. The app would be useful for my health and well-being.	6.44 (0.585)
	3. The app helped me manage my health effectively.	6.20 (0.72)
	4. I could use the app even when the internet connection was poor or not available.	5.88 (0.391)
	5. This app has all the functions and capabilities I expected it to have.	5.75 (0.652)
	6. This mHealth app provided an acceptable way to receive health care services, such as accessing educational materials, tracking my own activities, and performing self-assessment.	5.63 (0.483)