Acceptability assessments
Prior to dosing, at baseline (visit 2) participants completed a 6 question, quantitative questionnaire, which assessed their baseline experiences with vaginal product use. At 4 or 24 hours post use, depending on their randomization assignment, participants completed a 13 question, quantitative survey about their experience using the single dose. Both surveys were completed at the clinic and participants were given a private space to read and complete the questionnaires. The acceptability survey was adapted from a previously used assessment from a study of a tenofovir/emtricitabine vaginal insert (