Mental health effects of adolescent trauma exposure in a female college sample: exploring differential outcomes based on experiences of unique trauma types and dimensions.

Most studies on the psychological impact of trauma exposure focus on the response to a single type of trauma, with little or no attention paid to the contribution of prior traumatic experiences. The goal of this study was to disentangle some of the confounding effects of multiple trauma exposures by exploring the unique contribution to mental health outcomes made by specific types and dimensions of trauma. This report compares the psychological outcomes of college women who experienced different types of trauma during adolescence, including traumatic bereavement, sexual assault, and physical assault. Young women who had experienced a single event of one of these types were compared with peers who had experienced multiple single events, ongoing sexual and/or physical abuse, as well as those who had experienced no trauma. Results, based on structured clinical interviews, and self-report measures showed that there were some significant differences in mental health outcomes based on trauma type. However, trauma exposure versus no exposure and the cumulative effects of exposure versus one-time experiences played the key roles in differentiating the groups.