Agreeableness and Self-Consciousness as Predictors of Induced Scratching and Itch in Patients with Psoriasis.
In: International Journal of Behavioral Medicine, Jg. 22 (2015-12-01), Heft 6, S. 726-734
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Background: Psoriasis (PS) is a frequent skin disease accompanied by itch, a symptom that has been shown to be related to depression and self-consciousness. PS patients describe themselves as more agreeable than healthy controls (HC), a trait that might be protective against impulsive scratching. Purpose: This study is the first to analyze the relationship between agreeableness and induced scratching and between depression, self-consciousness, and induced itch in PS patients. Methods: Twenty-four PS patients and 24 HC were shown two videos: an itch-inducing experimental video (EV) and a non-itch-inducing control video (CV). Induced itch/scratching was determined by calculating the difference in itch intensity/number of scratch movements between EV and CV. Validated questionnaires were used to measure agreeableness, depression, and self-consciousness. Results: In accordance with our hypothesis, in PS patients, public self-consciousness was significantly positively associated with induced itch ( r = 0.564; p < 0.001), and agreeableness was significantly negatively associated with induced scratching ( r = −0.444; p < 0.05). In HC, the relationship between public self-consciousness and induced itch and between agreeableness and induced scratching were positive, but not significant. Conclusions: This study showed distinct findings for PS patients and HC regarding the relationship between agreeableness and induced scratching. The relationship between public self-consciousness and induced itch was positive in both groups. The distinct finding regarding agreeableness supports the idea that scoring low on this scale might be a protective factor for scratching in PS patients. Future research should investigate mediating factors of the outlined relationships. [ABSTRACT FROM AUTHOR]
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Agreeableness and Self-Consciousness as Predictors of Induced Scratching and Itch in Patients with Psoriasis.
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Autor/in / Beteiligte Person: | Schut, C. ; Muhl, S. ; Reinisch, K. ; Claßen, A. ; Jäger, R. ; Gieler, U. ; Kupfer, J. |
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Zeitschrift: | International Journal of Behavioral Medicine, Jg. 22 (2015-12-01), Heft 6, S. 726-734 |
Veröffentlichung: | 2015 |
Medientyp: | academicJournal |
ISSN: | 1070-5503 (print) |
DOI: | 10.1007/s12529-015-9471-5 |
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