Post-Traumatic Stress Disorder (PTSD) Symptoms as Predictors of Suicide Behavior Among Veterans with and without a History of Traumatic Brain Injury (TBI)
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Prior research has established that a history of post-traumatic stress disorder (PTSD) and/or traumatic brain injury (TBI) increases the risk of suicide behavior. Few studies have examined the role of specific PTSD symptom clusters and suicide attempts. The current study is among a handful of studies that have examined the association between the presence of PTSD symptom clusters and suicide attempts among Veterans with PTSD and/or TBI. The study utilized archival data from a sample of 137 Veterans receiving mental health treatment at the Denver Veteran Affairs Medical Center. Results from logistic regression analyses indicated that PTSD symptom clusters were not associated with an increased risk for suicide behavior among individuals with and without a history of TBI. Results suggest that looking at the presence of PTSD symptoms is not sufficient to account for the risk of suicide behavior. Clinical and research implications on the need to examine the role of PTSD symptom severity and suicide behavior are discussed.
Post-Traumatic Stress Disorder
Traumatic Brain Injury
suicide risk, PTSD symptoms
Villarreal, Edgar Javier (2012). Post-Traumatic Stress Disorder (PTSD) Symptoms as Predictors of Suicide Behavior Among Veterans with and without a History of Traumatic Brain Injury (TBI). Doctoral dissertation, Texas A&M University. Available electronically from
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