Psychometric properties of the German version of the Self Image Scale (SIS-D) in a sample of cancer patients.

Brederecke, Jan ORCID; Zimmermann, Tanja ORCID

BACKGROUND:A cancer disease can affect the satisfaction with the physical appearance, so that the standardized assessment of the body image is important in cancer patients. The German version of the Self-Image Scale is a self-report measure that uses two subscales to assess appearance satisfaction (self-acceptance) and perceptions of partners' acceptance of their appearance (partner-acceptance). The present study aimed to validate the Self-Image Scale's two-factor structure in a sample of cancer patients with a variety of different diagnoses to further increase its utility. METHODS:Confirmatory factor analysis methods were used to examine the two-factor model in a sample of cancer patients (N = 278). Scale reliability and validity were then assessed through internal consistency measures and correlations with external criteria such as depressiveness, anxiety, distress, and relationship satisfaction. RESULTS:The proposed factor structure was supported by the results and the internal consistencies were good with α = .83 for the self-acceptance scale and α = .88 for the partner-acceptance scale while additional correlations with external criteria were observed as expected. CONCLUSIONS:The results support the use of the German version of the Self-Image Scale in cancer patients in general. Future research directions include validation across further entities of cancer, the in-depth investigation of sex differences, and research in other diseases that might impact body image.

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Brederecke, Jan / Zimmermann, Tanja: Psychometric properties of the German version of the Self Image Scale (SIS-D) in a sample of cancer patients.. 2020.

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