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- Publisher Website: 10.3390/ijerph19010186
- Scopus: eid_2-s2.0-85121620816
- WOS: WOS:000741382800001
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Article: Can an E-Mail-Delivered CBT for Insomnia Validated in the West Be Effective in the East? A Randomized Controlled Trial
Title | Can an E-Mail-Delivered CBT for Insomnia Validated in the West Be Effective in the East? A Randomized Controlled Trial |
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Authors | |
Keywords | Anxiety Cognitive behavioral therapy Depression Insomnia Self-help Self-monitoring |
Issue Date | 24-Dec-2021 |
Publisher | Multidisciplinary Digital Publishing Institute (MDPI) |
Citation | International Journal of Environmental Research and Public Health, 2021, v. 19, n. 1 How to Cite? |
Abstract | This study examined the effects of an e-mail-delivered cognitive behavioral therapy for insomnia (CBT-I), validated in Western countries, on insomnia severity, anxiety, and depression in young adults with insomnia in Eastern countries, particularly Japan. This prospective parallel-group randomized clinical trial included college students with Insomnia Severity Index (ISI) scores of ten or higher. Participants were recruited via advertising on a university campus and randomized to an e-mail-delivered CBT-I (REFRESH) or self-monitoring (SM) with sleep diaries group. The primary outcomes were insomnia severity, anxiety, and depression; secondary outcomes were sleep hygiene practices, dysfunctional beliefs, sleep reactivity, and pre-sleep arousal. All measurements were assessed before and after the intervention. A total of 48 participants (mean (SD) age, 19.56 (1.86) years; 67% female) were randomized and included in the analysis. The results of the intent-to-treat analysis showed a significant interaction effect for insomnia severity, anxiety, depression, sleep hygiene practice, and pre-sleep arousal. Compared with the SM group, the REFRESH group was more effective in reducing insomnia severity (Hedges' g = 1.50), anxiety (g = 0.97), and depression (g = 0.61) post-intervention. These findings suggest that an e-mail-delivered CBT-I may be an effective treatment for young adults with elevated insomnia symptoms living in Japan. |
Persistent Identifier | http://hdl.handle.net/10722/332002 |
ISSN | 2021 Impact Factor: 4.614 2023 SCImago Journal Rankings: 0.808 |
ISI Accession Number ID |
DC Field | Value | Language |
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dc.contributor.author | Okajima, Isa | - |
dc.contributor.author | Tanizawa, Noriko | - |
dc.contributor.author | Harata, Megumi | - |
dc.contributor.author | Suh, Sooyeon | - |
dc.contributor.author | Yang, Chien-Ming | - |
dc.contributor.author | Li, Shirley Xin | - |
dc.contributor.author | Trockel, Mickey T | - |
dc.date.accessioned | 2023-09-28T05:00:10Z | - |
dc.date.available | 2023-09-28T05:00:10Z | - |
dc.date.issued | 2021-12-24 | - |
dc.identifier.citation | International Journal of Environmental Research and Public Health, 2021, v. 19, n. 1 | - |
dc.identifier.issn | 1660-4601 | - |
dc.identifier.uri | http://hdl.handle.net/10722/332002 | - |
dc.description.abstract | <p>This study examined the effects of an e-mail-delivered cognitive behavioral therapy for insomnia (CBT-I), validated in Western countries, on insomnia severity, anxiety, and depression in young adults with insomnia in Eastern countries, particularly Japan. This prospective parallel-group randomized clinical trial included college students with Insomnia Severity Index (ISI) scores of ten or higher. Participants were recruited via advertising on a university campus and randomized to an e-mail-delivered CBT-I (REFRESH) or self-monitoring (SM) with sleep diaries group. The primary outcomes were insomnia severity, anxiety, and depression; secondary outcomes were sleep hygiene practices, dysfunctional beliefs, sleep reactivity, and pre-sleep arousal. All measurements were assessed before and after the intervention. A total of 48 participants (mean (SD) age, 19.56 (1.86) years; 67% female) were randomized and included in the analysis. The results of the intent-to-treat analysis showed a significant interaction effect for insomnia severity, anxiety, depression, sleep hygiene practice, and pre-sleep arousal. Compared with the SM group, the REFRESH group was more effective in reducing insomnia severity (Hedges' g = 1.50), anxiety (g = 0.97), and depression (g = 0.61) post-intervention. These findings suggest that an e-mail-delivered CBT-I may be an effective treatment for young adults with elevated insomnia symptoms living in Japan.<br></p> | - |
dc.language | eng | - |
dc.publisher | Multidisciplinary Digital Publishing Institute (MDPI) | - |
dc.relation.ispartof | International Journal of Environmental Research and Public Health | - |
dc.rights | This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 International License. | - |
dc.subject | Anxiety | - |
dc.subject | Cognitive behavioral therapy | - |
dc.subject | Depression | - |
dc.subject | Insomnia | - |
dc.subject | Self-help | - |
dc.subject | Self-monitoring | - |
dc.title | Can an E-Mail-Delivered CBT for Insomnia Validated in the West Be Effective in the East? A Randomized Controlled Trial | - |
dc.type | Article | - |
dc.identifier.doi | 10.3390/ijerph19010186 | - |
dc.identifier.scopus | eid_2-s2.0-85121620816 | - |
dc.identifier.volume | 19 | - |
dc.identifier.issue | 1 | - |
dc.identifier.isi | WOS:000741382800001 | - |
dc.identifier.issnl | 1660-4601 | - |