Characteristics of Participants Reporting Use of Pre-Exposure Prophylaxis (n = 29) compared to Non-Users (n = 3 356) One Month after Publication of Efficacy Results (the iPrEx Study).

UAI = unprotected anal intercourse; STI = sexually transmitted infection; PCP = primary care provider; CES-D = Center for Epidemiologic Studies Depression Scale; CAGE = 4-question screen for alcohol abuse.*P≤0.05,**P≤0.01 using test for difference between groups: t-test for continuous variables, chi-squared test or Fisher's exact test (when cell sizes are small) for categorical variables.1Total number of participants responding to each question.2Self-perceived risk of HIV acquisition = scale from 1 (no risk) to 10 (extreme risk).3Interested in using PrEP = likely or extremely likely to use PrEP.4Among participants indicating UAI in the prior 3 months.