“…4,5,7,8,11,31 ETV factors have typically been divided into categories based on geography and location of violent event 31 , specified consistency of violence exposure in the neighborhood or from parents 8,11 , focused on neighborhood exposures to violence 12 , focus on the Adverse Childhood Experience index or a similar index which combines multiple types of trauma in some analyses 13,21 , or focused on intimate partner violence. 15 Additionally, Hedtke and colleagues 10 and Wilson and Donenberg 22 separated witnessing violence and experiencing sexual and physical assault in their models, but focused on women and used these variables as predictors of mental health, substance use, or sexual risk outcomes. By showing how different dimensions of witnessing and experiencing violence affect a range of substance use and HIV outcomes, this study specifies the strongest factors predicting those outcomes across genders.…”