% reported assaultive trauma. The ranking of assaultive trauma above non-assaultive trauma with respect to risk for PTSD was based on prior literature (Resnick et al. 1993; Breslau et al. 1998; Hapke et al. 2006) and on empirical findings in our data. Participants who experienced assaultive trauma had more than 19 times the odds of developing PTSD than those exposed only to non-assaultive trauma [odds ratio (OR) 19.18, confidence interval (CI) 7.83–47.01] (10.4% developed PTSD compared to 0.6% of women exposed only to non-assaultive trauma). [Prevalence and conditional probability of developing PTSD are reported for each qualifying event in McCutcheon et al. (in press).]