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Validation of a Cantonese Version of the Children's Dermatology Life Quality Index

Authors

  • Antonio A. T. Chuh M.R.C.P. (UK), M.R.C.P.(Irel), M.R.C.P.C.H. Dip.Derm (Glasg)

    1. Department of Medicine, University of Hong Kong and Queen Mary Hospital, Pokfulam, Hong Kong
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Antonio A. T. Chuh, M.R.C.P. (UK), Bonham Surgery, Shop B5, Ning Yeung Terrace, 78 Bonham Rd., Ground Floor, Hong Kong, or email: achuh@iohk.com.

Abstract

Abstract:  My goal was to assess the validity and reliability of a Cantonese version of the Children's Dermatology Life Quality Index (CDLQI). To do so, I invited four translators to produce a proper Cantonese translation of the CDLQI. I asked five children to complete this version and made adjustments as necessary. I then requested 30 children with skin problems and 30 children consulting for problems unrelated to the skin in a primary care setting to complete the questionnaire before their consultation. A physician assessed the severity of the skin problem using a visual analog scale. Some children from both groups completed the questionnaire again 7 days later. The CDLQI scores are strongly (γs = 0.850) and significantly (p < 0.01) correlated with physician-rated disease severity. The Cantonese CDLQI scores were similar to those of the English version for individual skin problems. Correlation of test-retest results is strong (γs = 0.958, p < 0.01). Cronbach's alpha is 0.83. I concluded that the Cantonese CDLQI is a valid and reliable tool for assessing the effects of skin problems on quality of life in children.

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