Regression-Based Normative Data for Independent and Cognitively Active Spanish Older Adults: Verbal Fluency Tests and Boston Naming Test

Clara Iñesta, Javier Oltra-Cucarella () and Esther Sitges-Maciá
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Clara Iñesta: SABIEX, Universidad Miguel Hernández de Elche, Av. de la Universidad, 03207 Elche, Spain
Javier Oltra-Cucarella: SABIEX, Universidad Miguel Hernández de Elche, Av. de la Universidad, 03207 Elche, Spain
Esther Sitges-Maciá: SABIEX, Universidad Miguel Hernández de Elche, Av. de la Universidad, 03207 Elche, Spain

IJERPH, 2022, vol. 19, issue 18, 1-13

Abstract: An increased cognitive reserve is associated with changes in the pattern of cognitive decline during aging. Thus, normative data adapted to the characteristics of the target population are needed to reduce the possibility of false diagnoses. The aim of this work was to develop normative data for the Phonemic Verbal Fluency test, the Semantic Verbal Fluency test and the Boston Naming Test (BNT). Method: Regression-based normative data were calculated from a sample of 118 non-depressed, cognitively active, independent community-dwelling adults aged 55 or older (64.4% women) from SABIEX (University for Seniors at the Universidad Miguel Hernández de Elche). Raw scores were regressed on age, sex, and education. Results: The effects of age and education varied across neuropsychological measures. No effect of sex was found in any of the tests assessed. Statistically significant differences were found in the proportion of low scores using SABIEX or population-based normative datasets. The level of agreement identifying individuals labeled as showing one or more low scores was only fair-to-good. Conclusions: Normative data obtained from the general population might not be sensitive to identify low scores in cognitively active older adults, increasing the risk of misdiagnoses. A friendly calculator is available for neuropsychological assessment.

Keywords: cognitive impairment; dementia; executive function; language; memory disorders; neuropsychological tests; normative data (search for similar items in EconPapers)
JEL-codes: I I1 I3 Q Q5 (search for similar items in EconPapers)
Date: 2022
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