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Predictors of response to cognitive behaviour therapy for obsessive-compulsive disorder

dc.contributor.authorKyrios, Michael
dc.contributor.authorHordern, Celia
dc.contributor.authorFassnacht, Daniel
dc.date.accessioned2015-12-13T22:36:41Z
dc.date.issued2015
dc.date.updated2015-12-11T09:32:54Z
dc.description.abstractResponse to psychological treatment for Obsessive-Compulsive Disorder (OCD) varies, and dropout and relapse rates remain troubling. However, while studies examining symptom reductions are favourable, outcomes are less encouraging when outcome is defined in terms of clinically significant change. Moreover, there is little understanding of what predicts treatment outcome. This study examined demographic, symptomatic and cognitive predictors of outcome in 79 participants undertaking individualised cognitive-behavioural therapy for OCD. After investigating differences between treatment completers and non-completers, we examined treatment response as defined by post-treatment symptom severity and clinically reliable change, as well as predictors of treatment response. Completers were less likely to present with co-morbidity. The treatment was highly efficacious irrespective of whether completer or intention-to-treat analysis was undertaken, with 58% of treatment completers considered "recovered" at post-treatment. Lower pre-treatment levels of OCD symptoms and greater perfectionism/intolerance of uncertainty were the best unique predictors of OCD severity outcomes at post-treatment. Changes in obsessional beliefs were associated with symptomatic change, although only perfectionism/intolerance of uncertainty was a significant unique predictor of post-treatment change. Recovery status was predicted only by pre-treatment OCD severity. In helping to identify those at risk for poorer outcomes, such research can lead to the development of more effective interventions. La respuesta al tratamiento psicológico para el Trastorno Obsesivo-Compulsivo (TOC) es variable, y las tasas de abandono y recaída son preocupantes. Mientras los estudios que analizan la reducción de los síntomas son favorables, los resultados son menos alentadores cuando estos se definen en términos de cambio clínicamente significativo. Existe poco conocimiento de lo que predice el resultado del tratamiento. Este estudio examinó predictores demográficos, sintomáticos y cognitivos de los resultados en 79 participantes en terapia cognitivo-conductual individualizada para el TOC. Después de investigar las diferencias entre los que completaron el tratamiento y no lo finalizaron, se analizó la respuesta al tratamiento según la definición de gravedad post-tratamiento de los síntomas y el cambio clínicamente fiable, así como predictores de la respuesta al tratamiento. Los que completaron el tratamiento eran menos propensos a presentar comorbilidad. Baja intensidad de síntomas en el pre-tratamiento y mayor perfeccionismo/intolerancia a la incertidumbre fueron los mejores predictores de los resultados. Los cambios en las creencias obsesivas se asociaron con el cambio sintomático, aunque sólo perfeccionismo/intolerancia a la incertidumbre fue predictor del cambio post-tratamiento. Esta investigación puede conducir al desarrollo de - intervenciones más eficaces.
dc.identifier.issn1697-2600
dc.identifier.urihttp://hdl.handle.net/1885/76885
dc.publisherAsociacion Espanola de Psicologia Conductual
dc.rightsAuthor/s retain copyrighten_AU
dc.sourceInternational Journal of Clinical and Health Psychology
dc.titlePredictors of response to cognitive behaviour therapy for obsessive-compulsive disorder
dc.typeJournal article
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.lastpage190
local.bibliographicCitation.startpage181
local.contributor.affiliationKyrios, Michael, College of Medicine, Biology and Environment, ANU
local.contributor.affiliationHordern, Celia, Private Practice
local.contributor.affiliationFassnacht, Daniel, College of Medicine, Biology and Environment, ANU
local.contributor.authoruidKyrios, Michael, u5681883
local.contributor.authoruidFassnacht, Daniel, u5701418
local.description.notesImported from ARIES
local.identifier.absfor170109 - Personality, Abilities and Assessment
local.identifier.absseo920401 - Behaviour and Health
local.identifier.ariespublicationU3488905xPUB5684
local.identifier.citationvolume15
local.identifier.doi10.1016/j.ijchp.2015.07.003
local.identifier.scopusID2-s2.0-84939833376
local.type.statusPublished Version

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