Data collection
Qualitative data collection began in August 2021 and ended in February 2022. It consisted of a single, in‐person interview with each of the 30 participating TGW, 15 intimate partners and 10 peers (Total: 55 interviews). Interviews with TGW covered: (1) experiences of HIVST; (2) how HIV self‐tests were used with intimate partners; (3) descriptions of sample self‐collection for STI testing; and (4) views on peer delivery of test kits and PrEP refills. Partner interviews explored: (1) experiences with HIVST; (2) disclosure of HIV status to intimate partner(s); (3) descriptions of sexual behaviours after testing; and (4) use of antiretroviral treatment (ART) or PrEP after testing. Peer interview topics included: (1) experiences of delivering test kits and PrEP refills; (2) perspectives of collecting samples for STI testing; and (3) recommendations for peer‐delivered HIV prevention services to TGW. Experienced social scientists (cisgender women and men) conducted all interviews in English or Luganda (local language) at locations of the participant's choice where conversations could not be overheard (interview guides are included in the 