Association between perceived risk of harm and self-reported binge drinking, cigarette smoking, and marijuana smoking in young adults.

Objectives: Evaluate the association between perceived risk of harm and self-reported binge drinking, cigarette smoking, and marijuana smoking among college students.

Participants: Participants were 599 students (ages 19-28) at a large Midwestern university recruited from October 2015 to December 2017.

Methods: Hurdle regression was used to test the relationship between perceived risk of harm from substance use (i.