Mechanistic pathways of change in twice weekly versus once weekly sessions of psychotherapy for depression
Copyright © 2022 Elsevier Ltd. All rights reserved..
BACKGROUND: Recently, we showed that twice weekly sessions of cognitive-behavioral therapy (CBT) and interpersonal psychotherapy (IPT) for depression lead to better and faster treatment outcomes compared to once weekly sessions (Bruijniks et al., 2020). The present study investigated which pathways of change may account for the effects of different session frequencies.
METHOD: The sample consisted of 200 patients who were randomized to CBT weekly, CBT twice weekly, IPT weekly, or IPT twice weekly. Outcome and therapy processes were measured at baseline, two weeks and monthly up to month 6 after the start of treatment. Latent change score models investigated temporal relations between change in therapy processes and change in depression and tested whether change in the therapy processes mediated the effect of session frequency on change in depression.
RESULTS: IPT skills mediated the relation between session frequency and change in depression. A decrease in depression was related to subsequent improvement in CBT skills and subsequent decrease in motivation for therapy.
CONCLUSION: The development of IPT skills may explain why a twice weekly higher session frequency is more effective in reducing depression compared to a once-weekly session frequency. Future studies should disentangle the causal effects of therapy process change throughout the course of therapy.
| Medienart: |
E-Artikel |
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| Erscheinungsjahr: |
2022 |
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| Erschienen: |
2022 |
| Enthalten in: |
Zur Gesamtaufnahme - volume:151 |
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| Enthalten in: |
Behaviour research and therapy - 151(2022) vom: 15. Apr., Seite 104038 |
| Sprache: |
Englisch |
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| Beteiligte Personen: |
Bruijniks, Sanne J E [VerfasserIn] |
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| Links: |
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| Themen: |
Cognitive-behavioral therapy |
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| Anmerkungen: |
Date Completed 25.04.2022 Date Revised 25.04.2022 published: Print-Electronic Citation Status MEDLINE |
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| doi: |
10.1016/j.brat.2022.104038 |
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| funding: |
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| Förderinstitution / Projekttitel: |
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| PPN (Katalog-ID): |
NLM337085692 |
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| 245 | 1 | 0 | |a Mechanistic pathways of change in twice weekly versus once weekly sessions of psychotherapy for depression |
| 264 | 1 | |c 2022 | |
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| 500 | |a Date Completed 25.04.2022 | ||
| 500 | |a Date Revised 25.04.2022 | ||
| 500 | |a published: Print-Electronic | ||
| 500 | |a Citation Status MEDLINE | ||
| 520 | |a Copyright © 2022 Elsevier Ltd. All rights reserved. | ||
| 520 | |a BACKGROUND: Recently, we showed that twice weekly sessions of cognitive-behavioral therapy (CBT) and interpersonal psychotherapy (IPT) for depression lead to better and faster treatment outcomes compared to once weekly sessions (Bruijniks et al., 2020). The present study investigated which pathways of change may account for the effects of different session frequencies | ||
| 520 | |a METHOD: The sample consisted of 200 patients who were randomized to CBT weekly, CBT twice weekly, IPT weekly, or IPT twice weekly. Outcome and therapy processes were measured at baseline, two weeks and monthly up to month 6 after the start of treatment. Latent change score models investigated temporal relations between change in therapy processes and change in depression and tested whether change in the therapy processes mediated the effect of session frequency on change in depression | ||
| 520 | |a RESULTS: IPT skills mediated the relation between session frequency and change in depression. A decrease in depression was related to subsequent improvement in CBT skills and subsequent decrease in motivation for therapy | ||
| 520 | |a CONCLUSION: The development of IPT skills may explain why a twice weekly higher session frequency is more effective in reducing depression compared to a once-weekly session frequency. Future studies should disentangle the causal effects of therapy process change throughout the course of therapy | ||
| 650 | 4 | |a Journal Article | |
| 650 | 4 | |a Randomized Controlled Trial | |
| 650 | 4 | |a Research Support, Non-U.S. Gov't | |
| 650 | 4 | |a Cognitive-behavioral therapy | |
| 650 | 4 | |a Depression | |
| 650 | 4 | |a Interpersonal psychotherapy | |
| 650 | 4 | |a Mechanisms of change | |
| 650 | 4 | |a Therapy skills | |
| 700 | 1 | |a Meeter, Martijn |e verfasserin |4 aut | |
| 700 | 1 | |a Lemmens, Lotte |e verfasserin |4 aut | |
| 700 | 1 | |a Peeters, Frenk |e verfasserin |4 aut | |
| 700 | 1 | |a Cuijpers, Pim |e verfasserin |4 aut | |
| 700 | 1 | |a Renner, Fritz |e verfasserin |4 aut | |
| 700 | 1 | |a Huibers, Marcus J H |e verfasserin |4 aut | |
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