Abstract
To translate and adapt the eHealth Literacy Scale for the cultural reality of Brazil and to evaluate the psychometric properties of its Brazilian Portuguese version. The instrument was translated and adapted to Brazilian Portuguese and applied to a sample of 502 individuals from 18 to 80 years old who lived in the surrounding areas of six Family Health Units of a city in the countryside of the state of São Paulo, Brazil. The data was evaluated using exploratory and confirmatory factor analysis, item response theory, and instrument reliability measures (Cronbach's alpha and McDonald's omega). The eHealth Literacy Scale - Brazilian version (eHEALS-Br) presented an excellent internal consistency (α = 0.95 e ω = 0.95), with only one dimension and an explained variation of 81.79%. The Brazilian version of the instrument showed excellent psychometric properties to measure the levels of digital health literacy in adults from the country.
Highlights
Health literacy is seen by the World Health Organization (WHO) as an important social health determinant[1]
This ability is necessary for individuals to evaluate the quality of the information displayed on the Internet to make assertive health decisions, that is, it is necessary for them to have adequate eHealth literacy
The quality and effectiveness of the estimates of the factors were evaluated using the Factor Determinacy Index, EAP marginal reliability > 0.80, sensibility ratio (SR) > 2, and Expected Percentage of True Differences (EPTD) > 90%. These complementary indexes were used because the evaluation of primary indexes(goodness-of-fit) in itself does not guarantee that the solution for the factor analysis will be good or useful in practice, since satisfactory solution indexes can be obtained from low-quality items[39]
Summary
Health literacy is seen by the World Health Organization (WHO) as an important social health determinant[1]. This, instead of aiding in assertive decision making, leads to uninformed individuals and community, due to the excess of information and to the difficulty to evaluate its quality[3,4,7,8] In this context, the field of eHealth (Electronic Health) emerged, which concerns the use of information and communication technologies for health[3]. The field of eHealth (Electronic Health) emerged, which concerns the use of information and communication technologies for health[3] This ability is necessary for individuals to evaluate the quality of the information displayed on the Internet to make assertive health decisions, that is, it is necessary for them to have adequate eHealth literacy. To translate and adapt the eHealth Literacy Scale for the cultural reality of Brazil and to evaluate the psychometric properties of its Brazilian Portuguese version
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