Perspectives and Factors Related to Pre-exposure Prophylaxis Use Among Young Men Who Have Sex With Men in the United States: A Mixed-Methods Study on the Role of History of PrEP Use.

This study quantitatively examined factors related to young men who have sex with men (YMSM)'s decisions to use pre-exposure prophylaxis (PrEP) by their history of PrEP use and qualitatively elicited their perspectives on PrEP options. Higher proportions of YMSM who had never used (vs. ever used) PrEP considered the following factors as important in their decisions to use PrEP: (a) Returning to PrEP follow-up visits ( p = .