Participant Recruitment and Flow
Study data were collected from November 19, 2020, to August 12, 2021. Overall, 426 index MSMs were approached for enrollment and clicked the baseline survey link; 39 men declined to provide consent, and 387 were screened for study eligibility (Fig. Trial flow chartA total of 300 men were enrolled and randomly assigned to one of the three arms: 100 men in the standard-of-care arm, 100 men in the S-SST arm, and 100 men in the RL-SST arm (Fig. 