Potentially traumatic events assessed in this study included items from the Criterion A1 assessment for PTSD included in the Composite International Diagnostic Interview (CIDI) portion of the NCS-A.46 The CIDI for DSM-IV is a fully-structured diagnostic instrument administered by trained lay interviewers.47 Following prior work in this sample and others showing differential consequences of certain traumatic event types,10,44,48,49 Criterion A1 PTEs were grouped into the following categories: interpersonal violence (physical abuse by caregiver, physical assault by someone else, mugged, raped, sexually assaulted, stalked, kidnapped, or domestic violence exposure), traumatic accidents (car accident, other serious accident, natural or man-made disaster, physical illness, toxic chemical exposure, or accidentally injured someone), network or witnessing events (unexpected death of a loved one, traumatic experience of a loved one, or witnessing injury or death), and other events. This final category included a question from the PTSD instrument asking, “Did you ever experience any other extremely upsetting or life-threatening event that I haven’t asked about yet?” and a question about events that the participant did not feel comfortable disclosing to the interviewer. While we lack details
