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Does Mid-Treatment ...
Does Mid-Treatment Insomnia Severity Mediate between Cognitive Behavioural Therapy for Insomnia and Post-Treatment Depression? An Investigation in a Sample with Comorbid Insomnia and Depressive Symptomatology
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- Norell-Clarke, Annika, 1979- (författare)
- Centre for Research on Child and Adolescent Mental Health, Karlstad University, Karlstad, Sweden
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- Tillfors, Maria (författare)
- Department of Social and Psychological Studies, Karlstad University, Karlstad, Sweden
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- Jansson-Fröjmark, Markus (författare)
- Centre for Psychiatry Research, Department of Clinical Neuroscience, Karolinska Institutet, Stockholm, Sweden; Stockholm Health Care Services, Stockholm County Council, Stockholm, Sweden
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- Holländare, Fredrik, 1972- (författare)
- Örebro universitet,Institutionen för medicinska vetenskaper,Region Örebro län,University Health Care Research Centre
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- Engström, Ingemar, 1952- (författare)
- Örebro universitet,Institutionen för medicinska vetenskaper,Region Örebro län,University Health Care Research Centre
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(creator_code:org_t)
- 2018-06-14
- 2018
- Engelska.
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Ingår i: Behavioural and Cognitive Psychotherapy. - : Cambridge University Press. - 1352-4658 .- 1469-1833. ; 46:6, s. 726-737
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Background: Recent treatment studies with cognitive behavioural therapy for insomnia (CBT-I) have demonstrated effects on both sleep problems and depression. Two previous studies have indicated that the beneficial effect from CBT-I on depression may come through improved sleep, although insomnia severity during treatment had not previously been investigated as a mediator.Aims: Our aim was to investigate if insomnia severity during treatment mediated between CBT-I and depression severity after treatment, in a sample with co-morbid insomnia and depressive symptomology. We also examined whether depressive severity during treatment mediated between CBT-I and insomnia after treatment.Method: The participants were recruited from advertisements and fulfilled criteria for insomnia diagnosis, and had depressive symptomatology (Beck Depression Inventory-second edition: BDI-II > 13). Two-thirds of the participants were diagnosed with major depressive disorder. The participants received four biweekly group sessions of CBT-I or relaxation training (active control). Insomnia severity (Insomnia Severity Index) and depressive severity (BDI-II) were measured at baseline, mid-treatment, post-treatment and 6-month follow-up. The mid-treatment measures were used as mediators.Results: Mediational analyses demonstrated a significant reciprocal relationship between insomnia severity and depressive severity throughout CBT-I, although mid-treatment insomnia had a stronger effect on depression than mid-treatment depression had on insomnia. The results were similar for both post-treatment and follow-up.Discussion: Some improvement in depressive severity after CBT-I is explained by improved sleep. The findings emphasize the importance of making comorbid insomnia a treatment focus in its own right.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Hälsovetenskap -- Folkhälsovetenskap, global hälsa, socialmedicin och epidemiologi (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Health Sciences -- Public Health, Global Health, Social Medicine and Epidemiology (hsv//eng)
- SAMHÄLLSVETENSKAP -- Psykologi (hsv//swe)
- SOCIAL SCIENCES -- Psychology (hsv//eng)
Nyckelord
- cognitive behavioural therapy
- insomnia
- depression
- statistical mediation
- randomized controlled trial
- group psychotherapy
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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