Evaluation of the Psychometric Properties of the Digital Health Literacy Instrument (DHLI-BrA) for Use in Brazilian Adolescents

Mariane Carolina Faria Barbosa (), Ana Luiza Peres Baldiotti, Ramon Targino Firmino, Saul Martins Paiva, Ana Flávia Granville-Garcia and Fernanda de Morais Ferreira
Additional contact information
Mariane Carolina Faria Barbosa: Department of Pediatric Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, MG, Brazil
Ana Luiza Peres Baldiotti: Department of Pediatric Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, MG, Brazil
Ramon Targino Firmino: Department of Dentistry, Federal University of Campina Grande (UFCG), Patos 58708-110, PB, Brazil
Saul Martins Paiva: Department of Pediatric Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, MG, Brazil
Ana Flávia Granville-Garcia: Postgraduate Program in Dentistry, State University of Paraíba (UEPB), Campina Grande 58429-500, PB, Brazil
Fernanda de Morais Ferreira: Department of Pediatric Dentistry, Federal University of Minas Gerais (UFMG), Belo Horizonte 31270-901, MG, Brazil

IJERPH, 2024, vol. 21, issue 11, 1-14

Abstract: This study evaluated the psychometric properties of the Portuguese version of Digital Health Literacy Instrument for Brazilian Adolescents (DHLI-BrA). Two hundred and sixty Brazilian adolescents answered the DHLI-BrA and the Brazilian version of quality-of-life and health literacy instruments: WHOQOL-Bref, eHEALS-BrA, NVS-BR, and REALMD-20. Then, they answered a questionnaire on sociodemographics, health, Internet access, and digital health aspects. The data collection was conducted between September and December of 2022.The statistical test assessed internal consistency, stability, discriminant and convergent validities, exploratory factor analysis (EFA), and confirmatory factor analysis (CFA). Item response theory (IRT) analysis using 2PL was applied to performance-based DHLI-BrA. The DHLI-BrA self-reported questions demonstrated almost perfect internal consistency (α and ω = 0.83) and good stability (ICC = 0.906; 95% CI: 0.75–0.95). In EFA and CFA, the best-adjusted model was composed of six factors (χ 2 = 229.173 (df = 174, p = 0.003), CFI = 0.944, TLI = 0.933, RMSEA = 0.035, and RMSR = 0.047). The performance-based DHLI-BrA demonstrated moderate internal consistency (α = 0.57 and KR20 = 0.56) and good stability (ICC = 0.86, 95% CI: 0.76–0.92). In EFA and CFA, the best-adjusted model was composed of a single factor (χ 2 = 17.901 (df = 14, p = 0.2113), CFI = 0.952, TLI = 0.927, RMSEA = 0.033, and RMSR = 0.038). IRT analyses revealed item discrimination ranging from −0.71 to 1.83 and difficulty from −1.53 to 1.02. Convergent validity of the self-reported DHLI-BrA was obtained by its correlation with the eHEALS-BrA (r = 0.45) and REALMD-20 (r = 0.19), besides the performance-based DHLI-BrA with its correlation with the NVS (r = 0.47) and REALMD-20 (r = 0.44). The DHLI-BrA demonstrated adequate psychometric properties to measure the self-reported, performance-based digital health literacy of Brazilian typically developing adolescents.

Keywords: health literacy; digital health; adolescent (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2024
References: View references in EconPapers View complete reference list from CitEc
Citations:

Downloads: (external link)
https://www.mdpi.com/1660-4601/21/11/1458/pdf (application/pdf)
https://www.mdpi.com/1660-4601/21/11/1458/ (text/html)

Related works:
This item may be available elsewhere in EconPapers: Search for items with the same title.

Export reference: BibTeX RIS (EndNote, ProCite, RefMan) HTML/Text

Persistent link: https://EconPapers.repec.org/RePEc:gam:jijerp:v:21:y:2024:i:11:p:1458-:d:1511872

Access Statistics for this article

IJERPH is currently edited by Ms. Jenna Liu

More articles in IJERPH from MDPI
Bibliographic data for series maintained by MDPI Indexing Manager ().