 Men are more likely to experience a traumatic event, but women are more likely to experience the kind of high-impact traumatic event that can lead to PTSD, such as interpersonal violence and sexual assault.Motor vehicle collision survivors, both children and adults, are at an increased risk of PTSD.Globally, about 2.6% of adults are diagnosed with PTSD following a non-life threatening traffic accident, and a similar proportion of children develop PTSD.