The Impact of Changes in Distress Tolerance on PTSD Symptom Severity Post-Treatment among Veterans in Residential Trauma Treatment

Publication date: Available online 16 January 2017
Source:Journal of Anxiety Disorders
Author(s): Anne N. Banducci, Kevin M. Connolly, Anka A. Vujanovic, Jennifer Alvarez, Marcel O. Bonn-Miller
Given that rates of PTSD, particularly among military populations, are increasing, it is critical to gain a better understanding of factors associated with treatment response. Low distress tolerance (DT), conceptualized as the perceived or actual inability to tolerate negative emotional states, may impacts veterans' responses to PTSD treatment. Low DT has been associated with more severe PTSD symptoms in clinical and non-clinical samples; however, its impact on PTSD symptomatology across treatment has yet to be assessed. We examined the impact of changes in DT, from intake to discharge, on post-treatment PTSD symptom severity within two samples of veterans recruited from Veterans Affairs residential PTSD treatment facilities in the northwestern and southern United States (Total N=86; 87% male; 46% White, 39% Black, 9% Latino, 6% Other). Veterans completed the Distress Tolerance Scale and PTSD Checklist (PCL) at intake and discharge from residential PTSD treatment. Regression analyses revealed that, within each veteran sample, those with the greatest improvements in DT had the lowest PCL total and subscale scores at discharge after controlling for respective intake PCL scores. This suggests increases in DT across treatment help explain the degree of benefits experienced by veterans following PTSD treatment.



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