• Epilepsy & behavior : E&B · Aug 2006

    Internal consistency and test-retest reliability of the Chinese version of the self-report health-related quality of life measure for children and adolescents with epilepsy.

    • Kam Hung Ma, Ka Ling Yam, Kwing Wan Tsui, and Fai To Yau.
    • Department of Paediatrics and Adolescent Medicine, Alice Ho Miu Ling Nethersole Hospital, Hong Kong SAR, China. ma_kam_hung@hotmail.com
    • Epilepsy Behav. 2006 Aug 1;9(1):51-7.

    PurposeThe aim of this validation study was to evaluate the internal consistency (internal reliability) and test-retest reliability (external reliability) of the Chinese version of the self-report health-related quality of life measure for children and adolescents with epilepsy.MethodsChildren and adolescents with epilepsy between the ages of 8 and 18 years were conveniently sampled in two regional hospitals in Hong Kong. They were requested to complete the 25-item questionnaire twice, with a test-retest interval of 10 to 14 days. Internal consistency and test-retest reliability were measured with Cronbach's alpha coefficient and the intraclass correlation coefficient, respectively.ResultsA sample of 50 patients completed the first questionnaire. Internal consistency was adequate on four of five subscales and marginal in the remaining one. Forty-two subjects repeated the questionnaire. The test-retest reliability was acceptable for all five subscales.ConclusionsThe Chinese version of the health-related quality of life measure for children and adolescents with epilepsy demonstrated acceptable internal consistency and test-retest reliability. Further studies are required to study other psychometric properties such as construct validity and factor analysis.

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