Table 1.

Interview guide to be used for follow-up phone interviews with intervention subjects

	Domain	Question
1	Goals	What helped you achieve your goals during this study?
2	Motivation	What motivated you to achieve your goals?
3	Health Coach	How would you describe your experience with the mobile app and the dietitian?
4	Communication	What did you think about the different components for delivery of the intervention including video calls, phone calls, food logs, and the mobile app.
5	Communication	What did you think about the frequency of contact with dieticians?
6	Improvements	How would you improve the intervention?
7	Other	Any last comments about the intervention?