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The role of knowledge in internet-based cognitive behavioural therapy for adolescent depression: Results from a randomised controlled study
Linköpings universitet, Institutionen för beteendevetenskap och lärande, Psykologi. Linköpings universitet, Filosofiska fakulteten.
Department of Clinical Neuroscience, Karolinska Institute, Stockholm, Sweden; Institute of Child Health, University College London, London, United Kingdom of Great Britain and Northern Ireland.
Linköpings universitet, Institutionen för beteendevetenskap och lärande. Linköpings universitet, Filosofiska fakulteten.
Linköpings universitet, Institutionen för beteendevetenskap och lärande. Linköpings universitet, Filosofiska fakulteten.
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2019 (Engelska)Ingår i: Internet Interventions, ISSN 2214-7829, Vol. 15, s. 10-17Artikel i tidskrift (Refereegranskat) Published
Abstract [en]

Background and objectives

Clients' knowledge about their condition and treatment is considered crucial for general health improvement, and knowledge acquisition is an essential part in internet-based cognitive behavioural therapy (ICBT). Yet, little is known about the role of knowledge and how it influences treatment outcome. This study aimed to examine if explicit knowledgeincreased following ICBT for adolescent depression, if knowledge gainwould be associated with symptom reduction, and if pre-existing knowledge predicted changes in depressive symptoms.

Methods

Seventy-one adolescents were randomised to a therapist-supported ICBT or a attention control condition. A measure of depression (BDI-II) and a knowledge test dealing with depression, comorbid anxiety, and its CBT-treatment were administered before and after treatment.

Results

Significant improvements in knowledge were observed following ICBT compared to the attention control (between-group Cohen's d = 1.25, 95% CI [0.67–1.79]). On average, participants in the treatment group answered 1.4 more questions correctly at post treatment compared to the control group. No relation between change in knowledge and change in depressive symptoms could be observed. Knowledge scores at baseline were high for both groups, with participants answering approximately 75% of the questions correct. A higher level of initial knowledge level predicted poorer treatment response (Parson's r = −0.38, p = .048).

Conclusions

The findings indicate that knowledge about basic concepts and principles about depression, anxiety, and CBT increases following ICBT. This increase in knowledge was not related to change in depressive symptoms, indicating that knowledge is a different construct. The results also suggest that clients who are more knowledgeable prior to treatment might benefit less from ICBT. In sum, the results highlight the need to further examine the role of knowledge in ICBT.

Ort, förlag, år, upplaga, sidor
Elsevier, 2019. Vol. 15, s. 10-17
Nyckelord [en]
Internet-based cognitive behavioural therapy; Knowledge; Adolescent depression
Nationell ämneskategori
Tillämpad psykologi
Identifikatorer
URN: urn:nbn:se:liu:diva-154534DOI: 10.1016/j.invent.2018.10.001ISI: 000458336900002PubMedID: 30519531Scopus ID: 2-s2.0-85056153786OAI: oai:DiVA.org:liu-154534DiVA, id: diva2:1290551
Anmärkning

Funding Agencies|Swedish Foundation for Humanities and Social Sciences from the Swedish Central Bank [P16-0883:1]; Linkoping University

Tillgänglig från: 2019-02-20 Skapad: 2019-02-20 Senast uppdaterad: 2019-03-15Bibliografiskt granskad

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Berg, MatildaJohansson, SofieLiljethorn, LinaRadvogin, EllaTopooco, NairaAndersson, Gerhard
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PsykologiFilosofiska fakultetenInstitutionen för beteendevetenskap och lärande
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