Objective: We sought to examine the relationship between duration of loss of consciousness (LOC) and the number of lifetime suicide attempts in a sample of Operation Enduring Freedom/Operation Iraqi Freedom veterans. Method: Archival data from 226 veterans receiving residential PTSD treatment was used. Demographics: 60.8% Caucasian, 13.7% Hispanic/Latino, 10.1% mixed ethnicity, 7% Asian American/Pacific Islander. Mean number of deployments was 1.98 (SD = 1.65). Average total months deployed was 16.21 (SD = 11.12). A nonparametric Kruskall-Wallis test was conducted to examine group differences in number of lifetime suicide attempts between four LOC groupings (no LOC, less than 1 minute, 1–20 minutes, and greater than 20 minutes). Results: The Kruskal-Wallis test revealed a significant main effect for LOC on attempts [H(3) = 8.572, p = .036]. Because nonparametric tests were significant, we chose to interpret Games-Howell post-hoc tests which revealed that the mean attempts for those in the no LOC group (M = .80, SD = 1.11) differed significantly from the 1–20 minutes LOC group(M = 2.21, SD = 2.78). Analyses to examine the effects of post-concussive symptoms on lifetime attempts were non-significant. Conclusion: In this sample of veterans seeking treatment for PTSD, duration of LOC was significantly associated with number of lifetime suicide attempts. Specifically, veterans who reported no LOC had significantly fewer lifetime suicide attempts than those reporting a LOC of 1-20 minutes. Interestingly, those with LOC longer than 20 minutes did not significantly differ from the no LOC group on the outcome measure.
The Relationship between Loss of Consciousness and Lifetime Suicide Attempts in a Sample of Male Iraq/Afghanistan Veterans Seeking Residential Treatment for Posttraumatic Stress Disorder
C Sofko, J Currier, B Hill; A-50
The Relationship between Loss of Consciousness and Lifetime Suicide Attempts in a Sample of Male Iraq/Afghanistan Veterans Seeking Residential Treatment for Posttraumatic Stress Disorder. Arch Clin Neuropsychol 2015; 30 (6): 504. doi: 10.1093/arclin/acv047.50
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