Turkish version of Skindex‐29

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Abstract
Background  There is a clear need for a useable measure of health‐related quality‐of‐life (HRQoL) for dermatology patients. Most of the existing dermatology‐specific measures were developed for the English language, and these measures should be adapted for use in other cultures.Objective  To adapt Skindex‐29 (one of the most widely recognized dermatology‐specific quality‐of‐life indices) for the Turkish cultural setting.Patients and methods  Forward and backward translations were carried out, and for doubtful items the process was repeated until a satisfactory agreement with the original version of Skindex‐29 was achieved. The intermediate Turkish version was administered to a group of 20 randomly selected Turkish adults with and without skin conditions. The final Turkish version of the Skindex‐29 was administered to 456 patients attending Osmangazi University Dermatology outpatient clinics. Reliability, construct and content validity were assessed.Results  The instrument was internally consistent, with Cronbach's α‐coefficients of 0.94, 0.76, 0.88, and 0.92 for entire questionnaire, symptom, emotional, and functional scales, respectively. The Turkish Skindex‐29 demonstrated construct and content validity.Conclusion  Our evaluation of the Skindex‐29 indicates that the instrument is a comprehensible, useable, reliable and valid measure of quality‐of‐life for Turkish dermatologic patients.

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