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Validation of the instrument of health literacy competencies for Chinese-speaking health professionals

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  • Li-Chun Chang
  • Yu-Chi Chen
  • Li-Ling Liao
  • Fei Ling Wu
  • Pei-Lin Hsieh
  • Hsiao-Jung Chen

Abstract

The study aimed to illustrate the constructs and test the psychometric properties of an instrument of health literacy competencies (IOHLC) for health professionals. A multi-phase questionnaire development method was used to develop the scale. The categorization of the knowledge and practice domains achieved consensus through a modified Delphi process. To reduce the number of items, the 92-item IOHLC was psychometrically evaluated through internal consistency, Rasch modeling, and two-stage factor analysis. In total, 736 practitioners, including nurses, nurse practitioners, health educators, case managers, and dieticians completed the 92-item IOHLC online from May 2012 to January 2013. The final version of the IOHLC covered 9 knowledge items and 40 skill items containing 9 dimensions, with good model fit, and explaining 72% of total variance. All domains had acceptable internal consistency and discriminant validity. The tool in this study is the first to verify health literacy competencies rigorously. Moreover, through psychometric testing, the 49-item IOHLC demonstrates adequate reliability and validity. The IOHLC may serve as a reference for the theoretical and in-service training of Chinese-speaking individuals’ health literacy competencies.

Suggested Citation

  • Li-Chun Chang & Yu-Chi Chen & Li-Ling Liao & Fei Ling Wu & Pei-Lin Hsieh & Hsiao-Jung Chen, 2017. "Validation of the instrument of health literacy competencies for Chinese-speaking health professionals," PLOS ONE, Public Library of Science, vol. 12(3), pages 1-15, March.
    • Handle: RePEc:plo:pone00:0172859
    DOI: 10.1371/journal.pone.0172859
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    1. David Andrich, 1978. "A rating formulation for ordered response categories," Psychometrika, Springer;The Psychometric Society, vol. 43(4), pages 561-573, December.
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    1. Safoura Taheri & Mahmoud Tavousi & Zohre Momenimovahed & Ashraf Direkvand-Moghadam & Azita Tiznobaik & Zainab Suhrabi & Ziba Taghizadeh, 2020. "Development and psychometric properties of maternal health literacy inventory in pregnancy," PLOS ONE, Public Library of Science, vol. 15(6), pages 1-14, June.

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