Table 3.

User feedback interview items by intervention element.

Element	Item format	Item content	Mean (SD)
Daily self-care text message	Likert scale	On a scale from 1-10, where 1 is not easy and 10 is 1 very easy, how easy was it for you to understand the messages that gave tips?	9.6 (0.7)
		On a scale from 1-10, where 1 is not helpful and 10 is very helpful, how helpful were those messages to you?	9.3 (1.4)
	Open-ended	Can you tell me why you chose that number? (Follow-up to question above.)	N/Aa
		Tell me about some of the messages you received that were very helpful. Why were those messages helpful?	N/A
		Tell me about some messages that did not help you or did not apply to you. Why did the messages not help or apply to you?	N/A
Daily assessment text message	Likert scale	On scale from 1-10, where 1 is not helpful and 10 is very helpful, how helpful were those messages to you?	9.1 (2.1)
	Open-ended	Can you tell me why you chose that number? (Follow-up to question above.)	N/A
		Is there anything else you can tell me about your experience with the text messages that asked if you took your meds?	N/A
Weekly adherence feedback text message	Likert scale	On a scale from 1 to 10, where 1 is not at all 1 and 10 is very much, how much did the messages at the end of the week help you take care of your diabetes?	8.5 (2.7)
	Open-ended	Can you tell me why you chose that number? (Follow-up to question above.)	N/A
		Is there anything else you can tell me about your experience with the text messages that asked if you took your meds?	N/A
Hemoglobin A1c text message	Open-ended	Why did you/did you not access your A1cb result using information in the text message?	N/A
		What are your thoughts about receiving your A1c test result online or by calling our research team?	N/A
REACHc helpline	Open-ended	Why did you/did you not use the Helpline?	N/A

^aN/A: not applicable.

^bA1c: hemoglobin A_1c.

^cREACH: Rapid Education/Encouragement And Communications for Health.