Effectiveness of Cognitive Behavioral Therapy for Depression in Patients Receiving Disability Benefits: A Systematic Review and Individual Patient Data Meta-Analysis

S Ebrahim, L Montoya, W Truong, S Hsu, MK el Din, A Carrasco-Labra, JW Busse, SD Walter, D Heels-Ansdell, R Couban, I Patelis-Siotis, M Bellman, Esther Graaf, DJA Dozois, PJ Bieling, GH Guyatt

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Objectives: To systematically summarize the randomized trial evidence regarding the relative effectiveness of cognitive behavioural therapy (CBT) in patients with depression in receipt of disability benefits in comparison to those not receiving disability benefits. Data Sources: All relevant RCTs from a database of randomized controlled and comparative studies examining the effects of psychotherapy for adult depression (http://www.evidencebasedpsychotherapies.org), electronic databases (MEDLINE, EMBASE, PSYCINFO, AMED, CINAHL and CENTRAL) to June 2011, and bibliographies of all relevant articles. Study Eligibility Criteria, Participants and Intervention: Adult patients with major depression, randomly assigned to CBT versus minimal/no treatment or care-as-usual. Study Appraisal and Synthesis Methods: Three teams of reviewers, independently and in duplicate, completed title and abstract screening, full text review and data extraction. We performed an individual patient data meta-analysis to summarize data. Results: Of 92 eligible trials, 70 provided author contact information; of these 56 (80%) were successfully contacted to establish if they captured receipt of benefits as a baseline characteristic; 8 recorded benefit status, and 3 enrolled some patients in receipt of benefits, of which 2 provided individual patient data. Including both patients receiving and not receiving disability benefits, 2 trials (227 patients) suggested a possible reduction in depression with CBT, as measured by the Beck D Conclusions: Our data does not support the hypothesis that CBT has smaller effects in depressed patients receiving disability benefits versus other patients. Given that the confidence interval is wide, a decreased effect is still possible, though if the difference exists, it is likely to be small.
Original languageUndefined/Unknown
Article numbere50202
JournalPLoS One (print)
Issue number11
Publication statusPublished - 2012

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