Patients' interpersonal problems as moderators of depression outcomes in a randomized controlled trial comparing mindfulness-based cognitive therapy and a group version of the cognitive-behavioral analysis system of psychotherapy in chronic depression
- PMID: 31997369
- PMCID: PMC7318258
- DOI: 10.1002/jclp.22931
Patients' interpersonal problems as moderators of depression outcomes in a randomized controlled trial comparing mindfulness-based cognitive therapy and a group version of the cognitive-behavioral analysis system of psychotherapy in chronic depression
Abstract
Objectives: Interpersonal problems were examined as moderators of depression outcomes between mindfulness-based cognitive therapy (MBCT) and cognitive behavioral analysis system of psychotherapy (CBASP) in patients with chronic depression.
Methods: Patients received treatment-as-usual and, in addition, were randomized to 8-weeks of MBCT (n = 34) or 8-weeks of CBASP (n = 34). MBCT and CBASP were given in a group format. The Hamilton depression rating scale (HAM-D) was the primary and the Beck Depression Inventory (BDI-II) the secondary outcome. The subscales of the Inventory of interpersonal problems (IIP-32) were moderators. Multilevel models were performed.
Results: Higher scores on the "vindictive/self-centered" subscale were associated with a better outcome in MBCT than in CBASP (HAM-D: p < .01; BDI-II: p < .01). Higher scores on the "nonassertive" subscale were associated with a better outcome in CBASP than in MBCT (HAM-D: p < .01; BDI-II: p < .01).
Conclusions: If these results can be replicated in larger trials, MBCT should be preferred to CBASP in chronically depressed patients being vindictive/self-centered, whereas CBASP should be preferred to MBCT in chronically depressed patients being nonassertive.
Keywords: chronic depression; cognitive behavioral analysis system of psychotherapy; interpersonal problems; mindfulness-based cognitive therapy.
© 2020 The Authors. Journal of Clinical Psychology published by Wiley Periodicals, Inc.
Conflict of interest statement
The authors declare that they have no conflict of interests.
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