All participants endorsed lifetime exposure to a PTSD Criterion A traumatic event1, as assessed by the PDS (Foa 1995), and reported marijuana use within the past 30 days, as assessed by the MSHQ (Bonn-Miller & Zvolensky, 2009). On average, participants reported experiencing a mean of 2.3 different types of traumatic events. According to the PDS, approximately 5.6% of participants met criteria for PTSD. Participants’ “worst” traumatic events, as per responses on the PDS, included: serious accident, fire, or explosion (23.2%), non-sexual assault by a family member or someone known (10.6%), sexual assault by a family member or someone known (8.5%), life-threatening illness (8.5%), natural disaster (7.0%), non-sexual assault by a stranger (7.0%), sexual assault by a stranger (5.6%), sexual contact when younger than 18 years with someone five or more years older (2.8%), imprisonment (2.1%), military combat or a war zone (.7%), torture (.7%), and “other” trauma type (e.g., sudden, unexpected death of a friend or family member, witnessing the assault or death of a stranger or family member; 19.7%). With regard to marijuana use, 36.6% of the sample reported
