Network Intervention Analyses of cognitive therapy and behavior therapy for insomnia: Symptom specific effects and process measures.

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Publisher: Elsevier Science Publishers
Document Type: Report; Brief article
Length: 382 words

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Keywords Behavior therapy; Cognitive therapy; Insomnia Highlights * Cognitive and behavior therapy for insomnia have different symptom-specific effects. * Cognitive and behavior therapy for insomnia target different process measures. * Findings are in line with the theoretical underpinnings of the treatments. Abstract Cognitive therapy (CT) and behavior therapy (BT) are both effective for insomnia. In this study we applied Network Intervention Analysis to investigate specific effects of CT and BT on outcomes and process measures. The analysis was based on a randomized controlled trial comparing CT (n = 65), BT (n = 63) and cognitive behavioral therapy for insomnia (n = 60; not included in this study). In the first networks, the separate items of the Insomnia Severity Index and sleep efficiency were included. In the second networks, the pre-specified process measures for BT and CT, sleep efficiency, and the sum-score of the Insomnia Severity Index were included. At the different time points, we found CT-effects on worry, impaired quality of life, dysfunctional beliefs, and monitoring sleep-related threats, and BT-effects on sleep efficiency, difficulty maintaining sleep, early morning awakening, time in bed, sleep incompatible behaviors and bed- and rise time variability. These observed effects of CT and BT were consistent with their respective theoretical underpinnings. This study provided new information on the mechanisms of change in CT and BT. In the future, this may guide us to the most effective treatment modules or even subsets of interventions. Author Affiliation: (a) Department of Clinical Psychology, University of Amsterdam, Amsterdam, Netherlands (b) Department of Psychology, University of California, Berkeley, Berkeley, CA, United States (c) School of Psychology, Université Laval, Quebec City, QC, Canada (d) Centre d'étude des troubles du sommeil, Centre de recherche de l'Institut universitaire en santé mentale de Québec, Quebec City, Québec, Canada (e) Amsterdam UMC, Vrije Universiteit, Psychiatry, Amsterdam Public Health Research Institute, the Netherlands (f) Geestelijke Gezondheidszorg (GGZ) InGeest Specialized Mental Health Care, Amsterdam, the Netherlands (g) Department of Psychological Methods, University of Amsterdam, Amsterdam, the Netherlands * Corresponding author. Department of Clinical Psychology, University of Amsterdam, PO Box 15933, 1001NK, Amsterdam, the Netherlands. Article History: Received 4 November 2021; Revised 21 March 2022; Accepted 12 April 2022 Byline: J. Lancee [j.lancee@uva.nl] (a,*), A.G. Harvey (b), C.M. Morin (c,d), H. Ivers (c,d), T. van der Zweerde (e,f), T.F. Blanken (g)

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Gale Document Number: GALE|A703074271