Abstract | AIM: To evaluate if internet-delivered Cognitive Behavioral Therapy for insomnia (ICBT-i) with brief therapist support outperforms an active control treatment. METHOD: Adults diagnosed with insomnia were recruited via media (n = 148) and randomized to either eight weeks of ICBT-i or an active internet-based control treatment. Primary outcome was the insomnia severity index (ISI) assessed before and after treatment, with follow-ups after 6 and 12 months. Secondary outcomes were use of sleep medication, sleep parameters (sleep diary), perceived stress, and a screening of negative treatment effects. Hierarchical Linear Mixed Models were used for intent-to-treat analyses and handling of missing data. RESULTS: ICBT-i was significantly more effective than the control treatment in reducing ISI (Cohen's d = 0.85), sleep medication, sleep efficiency, sleep latency, and sleep quality at post-treatment. The positive effects were sustained. However, after 12 months the difference was no longer significant due to a continuous decrease in ISI among controls, possibly due to their significantly higher utilization of insomnia relevant care after treatment. Forty-six negative effects were reported but did not differ between interventions. CONCLUSIONS: Supported ICBT-i is more effective than an active control treatment in reducing insomnia severity and treatment gains remain stable one year after treatment.
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Authors | Viktor Kaldo, Susanna Jernelöv, Kerstin Blom, Brjánn Ljótsson, Maria Brodin, Mia Jörgensen, Martin Kraepelien, Christian Rück, Nils Lindefors |
Journal | Behaviour research and therapy
(Behav Res Ther)
Vol. 71
Pg. 90-100
(Aug 2015)
ISSN: 1873-622X [Electronic] England |
PMID | 26091917
(Publication Type: Journal Article, Randomized Controlled Trial, Research Support, Non-U.S. Gov't)
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Copyright | Copyright © 2015 The Authors. Published by Elsevier Ltd.. All rights reserved. |
Topics |
- Cognitive Behavioral Therapy
(methods)
- Female
- Humans
- Internet
- Male
- Middle Aged
- Outcome Assessment, Health Care
- Patient Compliance
- Patient Satisfaction
- Professional-Patient Relations
- Sleep Initiation and Maintenance Disorders
(therapy)
- Therapy, Computer-Assisted
(methods)
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