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Internet-based CBT for insomnia in the general population - a description of design, measurements and interventions in recent RCT studies
Jönköping University, School of Health and Welfare, HHJ, Dep. of Nursing Science.
Linkoping Univ Hosp, Dept Clin Neurophysiol, Linkoping, Sweden.
Jönköping University, School of Health and Welfare, HHJ, Dep. of Nursing Science. Jönköping University, School of Health and Welfare, HHJ, Institute of Gerontology. Jönköping University, School of Health and Welfare, HHJ. ARN-J (Aging Research Network - Jönköping).ORCID iD: 0000-0003-0566-4685
Jönköping University, School of Health and Welfare, HHJ, Dep. of Nursing Science. Jönköping University, School of Health and Welfare, HHJ. ARN-J (Aging Research Network - Jönköping). Jönköping University, School of Health and Welfare, HHJ, Institute of Gerontology.ORCID iD: 0000-0001-7101-3165
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2018 (English)In: Journal of Sleep Research, ISSN 0962-1105, E-ISSN 1365-2869, Vol. 27, no 1, SI, p. 290-291, article id P436Article in journal, Meeting abstract (Refereed) Published
Abstract [en]

Objectives/Introduction: Internet-based cognitive behavioural therapy for insomnia (ICBTi) has been proposed as an effective, accessible, non-pharmacologic treatment for insomnia disorder. The objective was to perform a literature review of published randomized controlled trials (RCT).

Methods: Literature review. PubMed was used to identify RCTs ofICBTi published since 2013. Keywords were insomnia, ICBT and RCT. The search resulted in 40 hits. Papers with study designs and methods not relevant to the objective were removed (n = 29). Reasons for exclusion were: only study protocol, not internet-based, and results based on old data.

Results: Design: Recruitment were done via e-mail, from websites, online ads, and advertisements in local newspapers.

Inclusion criteria: Six studies based their inclusion only on ISI score (from >7to>=15). 3 studies used a combination of ISI and DSM-IV. Two studies used DSM-IV only.

Sample sizes: 4 studies had less than 100 participants, and 2 studies over 200, the mean number was 139 participants (48-303). The mean age varied from 15 to 52 years. Significantly more female participants in all studies.

Data collection: ISI combined with sleep diary was the most commonly used primary or secondary outcome measurements (n =7), 2 used ISI only, and 2 used sleep diary only. Other common instruments were, PSQI, HADS, DBAS-16 and CES-D. All studies had pre- and post-treatment measurements, but none during the intervention. The follow-up-period varied between 8 weeks and 3 years. The most common follow-up time was 6 months (n = 4), with a range from 4 weeks3years.Intervention: Most of the studies (n = 10) used traditional ICBTi-treatments (i.e., stimulus control, sleep restriction, relaxation, sleep hygiene). One study did not include stimulus control. The treatment duration were six weeks (n = 8), eight weeks (n = 2) and nine weeks (n = 1). All except one used therapist guided support.

Results: All studies showed significant post treatment improvements on sleep outcomes.

Conclusions: All studies showed significant improvement with regard to sleep. The total number of participants in the studies was relatively low. Most studies are not based on clinical samples, which may affect the generalizability of the findings.

Disclosure: Nothing to disclose

Place, publisher, year, edition, pages
John Wiley & Sons, 2018. Vol. 27, no 1, SI, p. 290-291, article id P436
National Category
Neurology
Identifiers
URN: urn:nbn:se:hj:diva-41659ISI: 000444228300618OAI: oai:DiVA.org:hj-41659DiVA, id: diva2:1252273
Conference
24th Congress of the European-Sleep-Research-Society (ESRS), Basel, SWITZERLAND, SEP 25-28, 2018
Available from: 2018-10-01 Created: 2018-10-01 Last updated: 2018-10-01Bibliographically approved

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Siebmanns, SandraSandberg, JonasJohansson, LindaBroström, Anders

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