Table 2.

Additional partial requirements.

Requirement	Functional Requirement
The patient-user should be able to monitor their well-being	DiaFit prompts the user weekly for Short Form (9 questions) Diabetes-Specific Patient-Reported Outcomes Quality of Life (National Institutes of Health [NIH] Patient-Reported Outcomes Measurement Information Systems [PROMIS]) [24], and stores PRO responses
The patient-user should be able to track physical activity with a variety of wearables	DiaFit allows user to synchronize with iPhone Apple step counter, iWatch, and FitBit devices, and stores steps in a database
The patient-user should be able to track blood glucose	DiaFit allows the user to track their glucose by automatically detecting if glucose data has been saved to Apple Health by a Bluetooth glucometer (ie, the wireless smart glucose-monitoring system from iHealth)
The patient-user should be able to receive feedback from their physicians	DiaFit allows patient-user to give access data logs to physician-user
The physician-user should be able to see summary statistics of their patients	DiaFit provides physician view
The physician-user should be able to send encouragement messages to patient-user	DiaFit provides secure messaging interface
The patient-user should be able to read physician-user messages	DiaFit provides secure access to messages