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Gepubliceerd in: Cognitive Therapy and Research 5/2012

01-10-2012 | Original Article

Identification of Child Sexual Abuse Survivor Subgroups Based on Early Maladaptive Schemas: Implications for Understanding Differences in Posttraumatic Stress Disorder Symptom Severity

Auteurs: Hilary G. Harding, Erin E. Burns, Joan L. Jackson

Gepubliceerd in: Cognitive Therapy and Research | Uitgave 5/2012

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Abstract

Cognitive models have informed understanding of the development, maintenance, and treatment of posttraumatic stress disorder (PTSD). Limited research, however, has examined the relationship of early maladaptive schemas (EMS; Young in Cognitive therapy for personality disorders: A schema-focused approach (rev. ed.). Professional Resource Press, Sarasota, 1994) to PTSD among trauma survivors. The current study, using a sample of 127 female child sexual abuse (CSA) survivors, applied a model-based clustering procedure (Mclust; Fraley and Raftery in MCLUST Version 3 for R: Normal Mixture Modeling and Model-based Clustering, Technical Report No. 504, Department of Statistics, University of Washington, 2006) to the 15 subscales of the Young Schema Questionnaire-Short Form (YSQ-S; Young and Brown in Young Schema Questionnaire- short form. Cognitive Therapy Center, New York, 1994) and revealed three clusters differentiated primarily by level of schema elevation. Women in the cluster characterized by the highest schema scores reported the most severe PTSD symptoms. A discriminant analysis indicated that schemas of Mistrust/Abuse, Vulnerability to Harm, and Emotional Deprivation contributed most to distinguishing women differentiated on the basis of presumptive PTSD diagnostic status. Results underscore the importance of cognitive factors in the development and/or maintenance of PTSD symptoms and suggest possible treatment targets for cognitive therapy with CSA survivors.
Voetnoten
1
As an adjunctive analysis, we conducted a single-entry linear multiple regression in which all 15 schemas were entered as predictors of the continuous total PTSD symptom scores. Results suggested that the overall model significantly predicted PTSD symptom severity, F(15, 106) = 4.21, p < .001, adjusted R 2 = .29, and indicated that Vulnerability to Harm (β = .31, p = .003) and Mistrust/Abuse (β = .27, p = .03) emerged as the only unique predictors of PTSD symptom severity when controlling for the collinearity among the schema subscales. Thus, results are largely consistent with the discriminant analysis findings which revealed that these two schema subscales were most strongly correlated with the discriminant function differentiating women with and without a presumptive PTSD diagnosis.
 
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Metagegevens
Titel
Identification of Child Sexual Abuse Survivor Subgroups Based on Early Maladaptive Schemas: Implications for Understanding Differences in Posttraumatic Stress Disorder Symptom Severity
Auteurs
Hilary G. Harding
Erin E. Burns
Joan L. Jackson
Publicatiedatum
01-10-2012
Uitgeverij
Springer US
Gepubliceerd in
Cognitive Therapy and Research / Uitgave 5/2012
Print ISSN: 0147-5916
Elektronisch ISSN: 1573-2819
DOI
https://doi.org/10.1007/s10608-011-9385-8

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