Incidental treatment effects of CBT on suicidal ideation and hopelessness |
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| Authors: | Tonelle E. Handley Frances J. Kay-Lambkin Amanda L. Baker Terry J. Lewin Brian J. Kelly Kerry J. Inder John R. Attia David J. Kavanagh |
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| Affiliation: | 1. Centre for Translational Neuroscience and Mental Health, University of Newcastle, Newcastle, NSW 2308, Australia;2. National Drug and Alcohol Research Centre, University of New South Wales, Sydney, NSW, Australia;3. Schizophrenia Research Institute, Sydney, NSW, Australia;4. Centre for Rural and Remote Mental Health, University of Newcastle, Orange, NSW, Australia;5. Centre for Clinical Epidemiology and Biostatistics, University of Newcastle, Newcastle, NSW, Australia;6. School of Psychology and Counselling, Queensland University of Technology, Brisbane, QLD, Australia |
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| Abstract: | BackgroundDepression and alcohol misuse are among the most prevalent diagnoses in suicide fatalities. The risk posed by these disorders is exacerbated when they co-occur. Limited research has evaluated the effectiveness of common depression and alcohol treatments for the reduction of suicide vulnerability in individuals experiencing comorbidity.MethodsParticipants with depressive symptoms and hazardous alcohol use were selected from two randomised controlled trials. They had received either a brief (1 session) intervention, or depression-focused cognitive behaviour therapy (CBT), alcohol-focused CBT, therapist-delivered integrated CBT, computer-delivered integrated CBT or person-centred therapy (PCT) over a 10-week period. Suicidal ideation, hopelessness, depression severity and alcohol consumption were assessed at baseline and 12-month follow-up.ResultsThree hundred three participants were assessed at baseline and 12 months. Both suicidal ideation and hopelessness were associated with higher severity of depressive symptoms, but not with alcohol consumption. Suicidal ideation did not improve significantly at follow-up, with no differences between treatment conditions. Improvements in hopelessness differed between treatment conditions; hopelessness improved more in the CBT conditions compared to PCT and in single-focused CBT compared to integrated CBT.LimitationsLow retention rates may have impacted on the reliability of our findings. Combining data from two studies may have resulted in heterogeneity of samples between conditions.ConclusionsCBT appears to be associated with reductions in hopelessness in people with co-occurring depression and alcohol misuse, even when it is not the focus of treatment. Less consistent results were observed for suicidal ideation. Establishing specific procedures or therapeutic content for clinicians to monitor these outcomes may result in better management of individuals with higher vulnerability for suicide. |
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| Keywords: | Suicidal ideation Hopelessness Depression Alcohol Cognitive behaviour therapy Treatment |
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