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eHEALS: The eHealth Literacy Scale.

Cameron D Norman1, Harvey A Skinner

  • 1Department of Public Health Sciences, University of Toronto, 155 College Street, Room 586, Toronto, ON M5T 3M7, Canada. cameron.norman@utoronto.ca

Journal of Medical Internet Research
|January 11, 2007
PubMed
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The eHealth Literacy Scale (eHEALS) reliably measures consumers' perceived skills in using digital health information. This tool helps identify individuals who may benefit from eHealth interventions, improving access to online health resources.

Area of Science:

  • Digital Health
  • Health Informatics
  • Consumer Health

Background:

  • Many adults have low literacy, hindering access to eHealth resources.
  • eHealth literacy involves skills in finding, evaluating, and using online health information.
  • The eHealth Literacy Scale (eHEALS) was developed to assess these consumer skills.

Purpose of the Study:

  • To psychometrically evaluate the eHEALS in a youth population.
  • To assess the reliability and validity of the eHEALS.
  • To determine the suitability of eHEALS for measuring eHealth literacy in young users.

Main Methods:

  • A randomized intervention trial involving Web-based eHealth programs.
  • Data collected at baseline, post-intervention, and 3- and 6-month follow-ups.

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  • Scale reliability assessed via internal consistency (Cronbach's alpha) and test-retest reliability; factor analysis used for construct validity.

    • Main Results:

    • The 8-item eHEALS demonstrated high internal consistency (alpha = .88) and good item-scale correlations (r = .51 to .76).
    • Test-retest reliability showed modest stability over 6 months (r = .68 to .40).
    • Principal components analysis supported a single-factor solution, explaining 56% of the variance.

    Conclusions:

    • The eHEALS is a reliable tool for assessing eHealth literacy in repeated measures.
    • It shows potential for identifying individuals who may benefit from eHealth interventions.
    • Further research should explore eHEALS applicability in diverse populations and its link to health outcomes.