Fernanda Maria Rovai Bado|Flávio Rebustini|Lisa Jamieson|Karine Laura Cortellazzi|Fábio Luiz Mialhe
Evaluation of the psychometric properties of the Brazilian version of the Oral Health Literacy Assessment in Spanish and development of a shortened form of the instrument
Methodist University of Piracicaba|Universidade Estadual de Campinas (UNICAMP)|Universidade de São Paulo|University of Adelaide|Methodist University of Piracicaba|Universidade Estadual de Campinas (UNICAMP)|Methodist University of Piracicaba|Universidade Estadual de Campinas (UNICAMP)
objective study investigate psychometric properties oral health literacy assessment spanish ohlas brazilianportuguese language using robust analysis results disclose possibilities develop shorter valid instrumentohlas oral health literacy instrument comprising word recognition section comprehension section consists 24 dental words translated brazilianportuguese language ohlab psychometric properties evaluated random sample 250 adults aged 2059 years assess dimensionality factor structure tested means exploratory factor analysis efa confirmatory factor analysis cfa reliability assessed using two indicators cronbachs alpha mcdonalds omegaefa cfa demonstrated ohlab 24 items present adequate adjustment model compromising validity addition reliability values 050 cronbachs alpha 067 mcdonalds omega minimum acceptable rate 070 support found original structure decided proceed withdrawal individual items successive reanalysis model indicators adjusted shorter instrument new structure 15 items produced instrument two dimensions better goodness fit original instrument alpha omega reliability index values increased 083 080 respectively scores better olhab 15 items instrument 24 itemsolhab original structure composed 24 items show acceptable construct validity shorter version 15 items showed promising results assessing oral health literacy levels brazilian population