AUTHOR=Phillips Rachel D. , Wilson Sarah M. , Sun Delin , VA Mid-Atlantic MIRECC Workgroup , Morey Rajendra , Van Voorhees Elizabeth , Marx Christine E. , Calhoun Patrick S. , Fairbank John A. , Tupler Larry A. , Beckham Jean C. , Brancu Mira , Swinkels Cindy M. , McDonald Scott D. , Yoash-Gantz Ruth , Taber Katherine H. , Hurley Robin , Dedert Eric A. , Elbogen Eric B. , Kilts Jason , Kirby Angela C. , Moore Scott , Rowland Jared A. , Szabo Steven T. , Kimbrel Nathan A. , Naylor Jennifer C. , Wagner Henry R. TITLE=Posttraumatic Stress Disorder Symptom Network Analysis in U.S. Military Veterans: Examining the Impact of Combat Exposure JOURNAL=Frontiers in Psychiatry VOLUME=9 YEAR=2018 URL=https://www.frontiersin.org/journals/psychiatry/articles/10.3389/fpsyt.2018.00608 DOI=10.3389/fpsyt.2018.00608 ISSN=1664-0640 ABSTRACT=
Recent work inspired by graph theory has begun to conceptualize mental disorders as networks of interacting symptoms. Posttraumatic stress disorder (PTSD) symptom networks have been investigated in clinical samples meeting full diagnostic criteria, including military veterans, natural disaster survivors, civilian survivors of war, and child sexual abuse survivors. Despite reliable associations across reported networks, more work is needed to compare central symptoms across trauma types. Additionally, individuals without a diagnosis who still experience symptoms, also referred to as subthreshold cases, have not been explored with network analysis in veterans. A sample of 1,050 Iraq/Afghanistan-era U.S. military veterans (851 males, mean age = 36.3,