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Psychometric evaluation of the Taiwanese version of the Kiddo-KINDL® generic children’s health-related quality of life instrument

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Abstract

Background

Health-related quality of life measures are increasingly being used in evaluating health care outcome around the world. There is a demand for the development of quality of life measures to be used cross-culturally. The aim of this study is to evaluate the psychometric properties of the Taiwanese version of Kiddo-KINDL®, a health-related quality of life questionnaire.

Methods

The original German-version of Kiddo-KINDL® was translated into Chinese (Taiwanese) via the forward/backward translation process. Psychometric testing was performed with a national sample of 1,985 healthy students between the ages of 12 and 16. Data were analyzed based on 1,675 usable questionnaires.

Results

The reliability coefficients were α = 0.81 (overall) and −0.31 to 0.84 for six subscales. The subscales with low Cronbach’s α were “school” and “friends.” Test–retest reliability was 0.77. Convergent validity was examined with the broadly used Taiwanese version of the Adolescent Depressive Mood Self-Detecting Scale. The result was satisfactory. Construct validity was further examined with exploratory factor analysis. The six-factor solution explained 45.2% of the variance. The construct of Kiddo-KINDL® (Taiwanese version) appeared to be appropriate for measuring health-related quality of life in healthy adolescents.

Conclusions

Kiddo-KINDL® (Taiwanese version) is a relatively reliable and valid questionnaire of adolescents’ health-related quality of life. However, items in the “school” and “friends” subscales need to be further modified to be more culturally appropriate.

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Acknowledgements

We would like to extend sincere appreciation to the people who participated in the study. Thanks also to the College of Nursing, Taipei Medical University (TMUN-094-001) in Taiwan, who funded the study.

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Authors and Affiliations

  1. College of Nursing, Taipei Medical University, No. 250 Wu-Hsing Street, Taipei, 110, Taiwan, ROC

    Pi-Hsia Lee & Lu-I Chang

  2. WHO Collaborating Center for Child and Adolescent Health Promotion, University of Bielefeld, Postfach 100131, D-33501, Bielefeld, Germany

    Ulrike Ravens-Sieberer

Authors
  1. Pi-Hsia Lee
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  2. Lu-I Chang
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  3. Ulrike Ravens-Sieberer
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Correspondence to Lu-I Chang.

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Lee, PH., Chang, LI. & Ravens-Sieberer, U. Psychometric evaluation of the Taiwanese version of the Kiddo-KINDL® generic children’s health-related quality of life instrument. Qual Life Res 17, 603–611 (2008). https://doi.org/10.1007/s11136-008-9328-3

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  • DOI: https://doi.org/10.1007/s11136-008-9328-3

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