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. 2021 Dec 18;21(1):724.
doi: 10.1186/s12877-021-02635-7.

Validation of the Persian version of Skindex-16 among older patients with skin diseases

Tahereh Mahdavi Nejad  1 , Fatemeh Mohammadi  2 , Ozkan Gorgulu  3 , Seyedeh Ameneh Motalebi  4 , Zahra Hosseinkhani  5
Affiliations

Validation of the Persian version of Skindex-16 among older patients with skin diseases

Tahereh Mahdavi Nejad et al. BMC Geriatr. .

Abstract

Background: Skin conditions often considerably impact the older patients' psycho-social health and quality of life (QoL). The present study was aimed to examine the validity and reliability of the Persian version of Skindex-16 among older people with skin diseases.

Methods: In this validation study, 260 older patients suffering from a range of skin conditions were recruited from a dermatology clinic in Rasht, Iran. Data were collected using a checklist for demographic and clinical characteristics and the Skindex-16 questionnaire. In this study, validity (face, content, and construct) and reliability (Cronbach's alpha) of the Skindex-16 were assessed and reported.

Results: The mean age of participants was 64.51 ± 5.04 years. The results of confirmatory factor analysis showed that the model had acceptable fitness into the expected three-factor structure [χ 2 /df = 249.363, P < 0.001; GFI = 0.961; TLI =0.952; RMSEA = 0.078 (90% CI = 0.06, 0.09) and SRMR = 0.06]. The reliability analysis results confirmed that the values of Cronbach's alpha coefficient for Skindex-16 were in the acceptable range (0.923).

Conclusions: Our evaluation of the Skindex-16 indicates that it is reliable and a valid instrument that can be used for measuring QoL for Iranian dermatologic patients.

Keywords: Aging; Health-related quality of life; Skindex-16; Validation.

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Conflict of interest statement

The authors declare that they have no competing interests.

Figures

Fig. 1
Fig. 1
The three-factor model for Skindex-16 obtained from confirmatory factor analysis. Note: f1 = Symptoms, f2 = Emotions, f3 = Functioning
See this image and copyright information in PMC

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