Table 1.

Summary of data collection process

a. Screening questionnaire	Data collected
Participant self-report on electronic computer tablet at recruitment	Name, phone numbers, age range, gender, sexual orientation, HIV status, length of participation in HVTN 702 study, HVTN study number
Interviewer-administered by telephone calls with potentially eligible participants	Willingness to participate in FGD, availability considerations for scheduling FGD
b. Demographic questionnaire	Variables assessed
Participant self-report with pen and paper format questionnaire immediately prior to FGD	Date of birth, gender, sexual orientation, marital status, highest level of education completed, average monthly household income, source of income in the last three months, housing type, HIV risk perception of self and of partner
c. Focus group discussion	Topics
Semi-structured interview guide	Overall HIV prevention knowledge, experience and perceptions about HIV vaccines, HIV counselling and testing, condoms, VMMC, antiretroviral medications, PrEP, hypothetical methods and ultimate preferences for prevention