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The purpose of this study was to explore the relationship between health literacy and specific cognitive abilities in hospital users. A neuropsychological battery was administered and the Short Test of Functional Health Literacy in Adults was used to classify individuals as having adequate or limited functional health literacy. Of the 322 participants, 102 (31.7%) presented limited health literacy. Even after adjusting for demographics, years of education, and quality of education, health literacy was strongly associated with measures of cognitive performance, but the strength of association was variable across different cognitive abilities.
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Apolinário et al. (2014) studied this question.
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