Psychometrische Validierung der deutschen Version des Care Dependency Questionnaire

Zusammenfassung

Ziel

Psychometrische Validierung der deutschen Version des CDQ zur Messung der von Patientinnen empfundenen Abhängigkeit von ihren Psychotherapeutinnen (AvT).

Methodik

Mithilfe der Daten von 5 prospektiven Beobachtungsstudien führten wir eine explorative Faktorenanalyse (EFA) durch. Wir untersuchten die psychometrischen Eigenschaften des CDQ und seine Korrelationen mit anderen klinisch relevanten Variablen.

Ergebnisse

Unsere EFA (n=376) ergab ein faktorielle Struktur, die von der Initialversion abweicht. Daher schlagen wir den CDQ-R12 mit 3 Subskalen von jeweils 4 Items vor. Der CDQ-R12 ist reliabel (α=0,917), korrelierte positiv mit selbst eingeschätzter AvT (r=0,242), Symptomschwere (r=0,481 bzw. 0,395), Therapeutischer Allianz (r=0,380) sowie zwischenmenschlichen Problemen (r=0,338) und war negativ mit sozialer Unterstützung assoziiert (r=− 0,243) (p jeweils<0,01). Patientinnen mit Borderline-Persönlichkeitsstörung zeigten einen höheren CDQ-R12-Wert als jene mit depressiver Störung (r=0,13, p=0,013).

Fazit

Der CDQ-R12 eignet sich zur Erforschung des Einflusses von AvT auf den Erfolg von Psychotherapie. Diese Studie hat Pilotcharakter und die Ergebnisse sollten durch den Anschluss weiterer Untersuchungen überprüft werden.

Abstract

Objective

Psychometric validation of the German version of the CDQ to measure patients' perceived care dependency on their psychotherapists (CD).

Methods

Using data from 5 prospective observational studies, we conducted an exploratory factor analysis (EFA). We examined the psychometric properties of the CDQ and its correlations with other clinically relevant variables.

Results

Our EFA (n=376) revealed a factorial structure that differs from the initial version. Therefore, we propose the CDQ-R12 with 3 subscales of 4 items each. The CDQ-R12 is reliable (α.= 0.917), correlated positively with self-rated CD (r=0.242), symptom severity (r=0.481 and 0.395), therapeutic alliance (r=0.380) and interpersonal problems (r =0 .338), while it was negatively associated with social support (r=− 0.243) (p<0.01 each). Patients with borderline personality disorder showed a higher CDQ-R12 score than those with depressive disorder (r=0.13, p=0.013).

Conclusion

The CDQ-R12 is suitable for investigating the influence of CD on the success of psychotherapy. Our study is of a pilot nature and the results need to be verified by further studies.

Schlüsselwörter

Abhängigkeit in Psychotherapie - Psychotherapie - Therapeutische Beziehung - Nebenwirkungen - Explorative Faktorenanalyse - Psychometrie

Keywords

Care Dependency - Psychotherapy - Therapeutic Relationship - Side Effects - Exploratory Factor Analysis - Psychometrics

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