Background:

Digital health literacy is the ability to seek, find, understand, and appraise health information from electronic sources to solve health problems.

Objective:

To cross-culturally adapt the European Portuguese version of the eHealth Literacy Scale and analyze the evidence on the psychometric validity of the Brazilian Portuguese version.

Methodology:

Content validity was assessed using the content validity coefficient, and construct validity was examined using exploratory and confirmatory factor analysis and reliability measures. Convergent validity was analyzed using the extracted average variance, and concurrent validity was analyzed using Pearson’s correlation coefficient.

Results:

A content validity coefficient of 0.86, a Cronbach’s alpha value of 0.90, and an acceptable construct validity were obtained. Factor loadings indicated adequate values, ranging from 0.65 to 0.88 for a one-dimensional model.

Conclusion:

The Brazilian Portuguese version has consistent reliability and validity to inform studies on the digital health literacy of users of digital social networks in Brazil. However, a limitation of this study was that the sample had a higher level of education and income than the average population in Brazil.

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