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Title: Japanese version of the Dermatology Life Quality Index: validity and reliability in patients with acne.
Authors: Takahashi, Natsuko
Suzukamo, Yoshimi
Nakamura, Motonobu
Miyachi, Yoshiki
Green, Joseph
Ohya, Yukihiro
Finlay, Andrew Y
Fukuhara, Shunichi  kyouindb  KAKEN_id
the Acne QOL Questionnaire Development Team
Author's alias: 福原, 俊一
Issue Date: 3-Aug-2006
Publisher: BioMed Central Ltd.
Journal title: Health and quality of life outcomes
Volume: 4
Thesis number: 46
Abstract: [Background]Patient-reported quality of life is strongly affected by some dermatologic conditions. We developed a Japanese version of the Dermatology Life Quality Index (DLQI-J) and used psychometric methods to examine its validity and reliability. [Methods]The Japanese version of the DLQI was created from the original (English) version, using a standard method. The DLQI-J was then completed by 197 people, to examine its validity and reliability. Some participants completed the DLQI-J a second time, 3 days later, to examine the reproducibility of their responses. In addition to the DLQI-J, the participants completed parts of the SF-36 and gave data on their demographic and clinical characteristics. Their physicians provided information on the location and clinical severity of the skin disease. [Results]The participants reported no difficulties in answering the DLQI-J items. Their mean age was 24.8 years, 77.2% were female, and 78.7% had acne vulgaris. The mean score of DLQI was 3.99(SD: 3.99). The responses were found to be reproducible and stable. Results of principal-component and factor analysis suggested that this scale measured one construct. The correlations of DLQI-J scores with sex or age were very poor, but those with SF-36 scores and with clinical severity were high. [Conclusion]The DLQI-J provides valid and reliable data despite having only a small number of items.
Rights: © 2006 Takahashi et al; licensee BioMed Central Ltd. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/2.0), which permits unrestricted use, distribution, and reproduction in any medium, provided the original work is properly cited.
URI: http://hdl.handle.net/2433/159501
DOI(Published Version): 10.1186/1477-7525-4-46
PubMed ID: 16884543
Appears in Collections:Journal Articles

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