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Abstract
Background
Although post-traumatic stress disorder (PTSD) often co-occurs with depression and alcohol use disorder (AUD), treatment settings may not screen for PTSD symptoms.
Aims
To explore the effects of PTSD symptoms in participants seeking treatment for depression and alcohol misuse by capitalising on the DAISI (Depression and Alcohol Integrated and Single focussed Interventions) project.
Methods
Participants (N = 220) with current depressive symptoms and alcohol misuse were recruited from the DAISI project, a randomised controlled trial with four treatment arms. PTSD symptoms were assessed at baseline by the Posttraumatic Stress Diagnostic Scale and again at the 3-month assessment.
Results
McNemars t-test assessed for changes in PTSD symptom severity and PTSD symptom clusters at the 3-month assessment. Repeated measures multivariate analysis of variance assessed for changes in PTSD symptoms, by DAISI treatment allocation. At the 3-month assessment, participants with PTSD reported significant reductions in PTSD symptoms (except intrusion) and a lower rate of PTSD, and responded better to integrated depression-alcohol misuse CBT than to the alcohol/depression single-focussed or brief interventions.
Conclusion
Integrated depression and alcohol misuse CBT may be effective for PTSD symptoms, but intrusions may need to be addressed specifically.
Disclosure statement
No potential conflict of interest was reported by the authors.