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The Reliability and Validity of the Telephone-Based and Online Polish eHealth Literacy Scale Based on Two Nationally Representative Samples

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  • Mariusz Duplaga

    (Department of Health Promotion, Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College, 31-531 Krakow, Poland)

  • Karolina Sobecka

    (Scientific Student’s Circle of Health Promotion, Department of Health Promotion, Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College, 31-531 Krakow, Poland)

  • Sylwia Wójcik

    (Department of Health Promotion, Institute of Public Health, Faculty of Health Sciences, Jagiellonian University Medical College, 31-531 Krakow, Poland)

Abstract

Adequate ehealth literacy is one of the key instruments safeguarding people against unreliable health-related information obtained from the Internet. This paper presents an assessment of the reliability and the validity of a Polish version of the ehealth literacy scale (Pl-eHEALS). The assessment was carried out on the basis of two nationally representative samples of the Polish population. In the first survey of adults at least 50 years old, the technique of computer-assisted telephone interviewing (CATI) was applied. In the second survey of young adult women (18–35 years old), the technique of computer-assisted web interviewing (CAWI) was used. The reliability and the validity of the Pl-eHEALS was analyzed. There were no floor or ceiling effects revealed in either sample. The Cronbach’s alpha coefficients were 0.90 and 0.88, and Guttman split-half coefficients were 0.89 and 0.81, respectively. Exploratory factors analysis revealed single factor models in both cases. The sum of squared loadings in the first survey was 6.090 and accounted for 58.72% of the variance. In the second survey, the sum was 5.927 and was responsible for 55.06% of the variance. Hypothesis testing showed that, for older adults, higher ehealth literacy was prevalent in the respondents who used the Internet more frequently. Among young adult women, higher readiness to use the Internet as a primary source of health-related information and to undertake specific internet health-related activities was associated with higher ehealth literacy. The analysis reported in this paper confirmed the reliability and the validity of the instrument. It should be stressed that, prior to this study, there was no validated Polish version of the eHEALS that could be used with Polish-speaking respondents.

Suggested Citation

  • Mariusz Duplaga & Karolina Sobecka & Sylwia Wójcik, 2019. "The Reliability and Validity of the Telephone-Based and Online Polish eHealth Literacy Scale Based on Two Nationally Representative Samples," IJERPH, MDPI, vol. 16(17), pages 1-12, September.
    • Handle: RePEc:gam:jijerp:v:16:y:2019:i:17:p:3216-:d:263569
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    References listed on IDEAS

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    1. Angela Chang & Peter J. Schulz, 2018. "The Measurements and an Elaborated Understanding of Chinese eHealth Literacy (C-eHEALS) in Chronic Patients in China," IJERPH, MDPI, vol. 15(7), pages 1-12, July.
    2. Judith Aponte & Kathleen M. Nokes, 2017. "Validating an electronic health literacy scale in an older hispanic population," Journal of Clinical Nursing, John Wiley & Sons, vol. 26(17-18), pages 2703-2711, September.
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    Cited by:

    1. Uday Patil & Uliana Kostareva & Molly Hadley & Jennifer A. Manganello & Orkan Okan & Kevin Dadaczynski & Philip M. Massey & Joy Agner & Tetine Sentell, 2021. "Health Literacy, Digital Health Literacy, and COVID-19 Pandemic Attitudes and Behaviors in U.S. College Students: Implications for Interventions," IJERPH, MDPI, vol. 18(6), pages 1-14, March.
    2. Mariusz Duplaga, 2020. "Determinants and Consequences of Limited Health Literacy in Polish Society," IJERPH, MDPI, vol. 17(2), pages 1-13, January.
    3. Mariusz Duplaga, 2020. "The Acceptance of Key Public Health Interventions by the Polish Population Is Related to Health Literacy, But Not eHealth Literacy," IJERPH, MDPI, vol. 17(15), pages 1-19, July.
    4. Mariusz Duplaga, 2020. "The Determinants of Conspiracy Beliefs Related to the COVID-19 Pandemic in a Nationally Representative Sample of Internet Users," IJERPH, MDPI, vol. 17(21), pages 1-15, October.
    5. Mariusz Duplaga, 2020. "The Use of Fitness Influencers’ Websites by Young Adult Women: A Cross-Sectional Study," IJERPH, MDPI, vol. 17(17), pages 1-19, September.
    6. Mariusz Duplaga, 2022. "The Roles of Health and e-Health Literacy, Conspiracy Beliefs and Political Sympathy in the Adherence to Preventive Measures Recommended during the Pandemic," IJERPH, MDPI, vol. 19(14), pages 1-13, July.
    7. Joanna Burzyńska & Magdalena Rękas & Paweł Januszewicz, 2022. "Evaluating the Psychometric Properties of the eHealth Literacy Scale (eHEALS) among Polish Social Media Users," IJERPH, MDPI, vol. 19(7), pages 1-13, March.

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