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Long-term efficacy of Internet-based cognitive behavior therapy for obsessive-compulsive disorder with or without booster: a randomized controlled trial
Karolinska Institutet.
Karolinska Institutet.
Karolinska Institutet.
Karolinska Institutet.
Vise andre og tillknytning
2014 (engelsk)Inngår i: Psychological Medicine, ISSN 0033-2917, E-ISSN 1469-8978, Vol. 44, nr 13, s. 2877-2887Artikkel i tidsskrift (Fagfellevurdert) Published
Abstract [en]

Background. As relapse after completed cognitive behavior therapy (CBT) for obsessive-compulsive disorder (OCD) is common, many treatment protocols include booster programs to improve the long-term effects. However, the effects of booster programs are not well studied. In this study, we investigated the long-term efficacy of Internet-based CBT (ICBT) with therapist support for OCD with or without an Internet-based booster program. Method. A total of 101 participants were included in the long-term follow-up analysis of ICBT. Of these, 93 were randomized to a booster program or no booster program. Outcome assessments were collected at 4, 7, 12 and 24 months after receiving ICBT. Results. The entire sample had sustained long-term effects from pre-treatment to all follow-up assessments, with large within-group effect sizes (Cohen's d=1.58-2.09). The booster group had a significant mean reduction in OCD symptoms compared to the control condition from booster baseline (4 months) to 7 months, but not at 12 or 24 months. Participants in the booster group improved significantly in terms of general functioning at 7, 12 and 24 months, and had fewer relapses. Kaplan-Meier analysis also indicated a significantly slower relapse rate in the booster group. Conclusions. The results suggest that ICBT has sustained long-term effects and that adding an Internet-based booster program can further improve long-term outcome and prevent relapse for some OCD patients.

sted, utgiver, år, opplag, sider
Cambridge University Press, 2014. Vol. 44, nr 13, s. 2877-2887
Emneord [en]
Cognitive behavior therapy, booster, Internet, long-term outcome, obsessive-compulsive disorder, relapse prevention
HSV kategori
Forskningsprogram
Samhällsvetenskap, Psykologi
Identifikatorer
URN: urn:nbn:se:lnu:diva-73999DOI: 10.1017/S0033291714000543ISI: 000340721300018PubMedID: 25066102OAI: oai:DiVA.org:lnu-73999DiVA, id: diva2:1204409
Tilgjengelig fra: 2018-05-08 Laget: 2018-05-08 Sist oppdatert: 2018-05-08bibliografisk kontrollert

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