Table 1.

Sample Questions from Semi-Structure Qualitative Interview Guide by Interviewee Category

Interviewee Category	Interview Guide Question
Both PrEP Users and	What can you tell me about PrEP?
Potential PrEP Users	What have you heard about PrEP? What can you tell me about use of PrEP within your community? By community, 1 mean the people who live in your area and people close to you (who may not live close by). Probes: Are people in your community open to talking about using PrEP? What are some reasons that people might not talk about PrEP? Can you please describe what you have heard about experiences with trying to get on PrEP that you or others that you know have had? What kinds of opinions or attitudes do people within your community have about PrEP users? How are people who are on PrEP treated in your community?
PrEP Users Only	Can you tell me about how you began using PrEP? What were your experiences with getting on PrEP? Can you tell me about your experiences with taking PrEP? How did things go when you first started taking PrEP? What about now (i.e., how are your experiences with taking PrEP now)? What helps you to take PrEP as your doctor recommended? What things might make it hard for you to take PrEP as your doctor recommended?
Potential PrEP Users Only	Tell me about your interest in using PrEP. What do you think about taking a pill every day to prevent HIV? Probes: Do you think PrEP is useful? What challenges would you have with taking PrEP? What things could help you to take the PrEP pill every day? Do you think there are any risks of taking PrEP?