Table 1:

Interview Questions and RE-AIM Domains

Local Clinicians, Leadership, and External Partners	Veteran-Patients
REACH
In your experience, have Veterans been willing to engage in tele-mental health video at the ED/UC?	Can you recall what you thought about using video telehealth for your mental health at the ED/UC when it was first recommended for you? How willing were you to use the tele-mental health video? How willing do you think other Veterans will be to use this technology? How do you think other veterans feel about using video telehealth for mental health in the ED/UC?
EFFECTIVENESS
Which patients have you seen tele-mental health most help at your site? Who would benefit most from an expansion of tele-mental health video? How would you describe the quality of care provided through the tele-mental health video intervention? Would you consider the care provided tele-mental health video intervention equivalent to in-person care? What makes you say that?	Would you consider the care provided TMH-V intervention equivalent to in-person care? What makes you say that? Do you think you got the care you needed using video tele-health?
ADOPTION
Have you observed whether anyone has been burdened by tele-mental health video? If so, who has been most burdened? Who have you seen most burdened by tele-mental health video? *[if clinical provider] Is there anything you can think of during the clinical encounter that might encourage providers at your facility to continue using tele-mental health video? †What are current practices/factors that might make using tele-mental health feasible in the emergency care setting?
IMPLEMENTATION
*Can you share about a time it went badly or failed? What are current practices/factors that make using tele-mental health difficult at the emergency care setting at your site? *Can you share about a time that using tele-mental health video at the ED/UC went smoothly at your site? *Why do you think using tele-mental health video went well at that time? Are there any unique features of your site that have helped the use of tele-mental health video may not be present at other sites? *Amongst those who will evaluate Veterans in the ED/UC, why do you think they have resumed in-person care?	Were there any difficulties or problems with using video telehealth for mental health at the ED/UC? Was there anything you didn’t like about using video telehealth for mental health at the ED/UC? Can you tell me about that? What do you think went well during your video telehealth visit for mental health at the ED/UC? Was there anything in particular that you think helped with this [the thing that went well]? / What were some things that helped with this?
MAINTENANCE
*[if clinical provider] Is there anything you can think of during the clinical encounter that might encourage providers at your facility to continue using tele-mental health video? *[if clinical provider] What barriers during the delivery of tele-mental health you can think of that might prevent it from continuing? What administrative barriers might prevent the use and acceptance of tele-mental health in the ED/UC long term? What strategies might overcome some of these barriers we’ve talked about? What administrative facilitators might help the use and acceptance of tele-mental health in the ED/UC long term? †If a veteran presented to a non-VA facility, what would be the value to your organization to have the ability to coordinating veteran care with VA (e.g. veteran history, MH treatment, etc.)? *Only asked of Local Clinicians & Leadership; †Only asked of External Experts	Is there anything you can think of that might prevent using video to meet with mental health in the ED from continuing? What do you think we could do that would help improve using video telehealth for mental health consults at the ED/UC?
EXPANSION
Should tele-mental health video be expanded to additional sites? Why/why not? How could this program expand access to unscheduled mental health care for Veterans other than presenting to ED/UC for care? / Are there any other settings, beyond ED/UC, that you think access to unscheduled mental health care through video telehealth could work and would be appropriate? What concerns do you have about a program like that?
Key: *Only asked of Local Clinicians & Leadership; †Only asked of External Experts