with lifetime trauma exposure would enable us to ascertain whether and how alcohol and trauma symptoms cluster together in a sample of trauma-exposed young adults, and furthermore to explore associations of trauma type and parent AUD status with these frequently co-occurring experiences. Where symptoms do not merit a full diagnosis, evidence suggests they could nonetheless represent a risk for the eventual development of each disorder (Shankman et al., 2009) or at least cause significant emotional distress, leading to poor quality of life and impaired functioning. Understanding whether and how alcohol and PTS symptoms co-occur may thus illuminate possibilities for the early detection of disorders and implications for treatment based on class membership probabilities.
