PrEP uptake
Among 67 participants who were not on PrEP at enrolment, 25 (37%) initiated PrEP during the study. Uptake was significantly higher in the intervention arm than in the control arm (51.5% vs. 23.5%; adjusted risk ratio [aRR] 2.28; 95% CI 1.19–4.38; Primary PrEP outcomes: intent‐to‐treat analysisAmong those not already on PrEP at enrolment (All effect estimates are adjusted for matched pairs of study sites. The estimate for PrEP continuation is additionally adjusted for time since PrEP initiation. The estimate for the number of days of Wisepill opening is additionally adjusted for the number of days the participant was on PrEP and had a Wisepill device in her possession.Among those with any PrEP use during the study, that is on PrEP at enrolment or initiated during study (Wisepill device data are missing or uninterpretable for five participants; 