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Influence of age, gender and educational level on performance in the Brief Cognitive Battery-Edu

Influência da idade, gênero e nível educacional no desempenho na Bateria Cognitiva Breve-Edu

Abstract

The Brief Cognitive Battery-Edu (BCB-Edu) contains nine tests, seven of which are related to the memory of drawings, and has good accuracy in the diagnosis of cognitive impairment.

Objectives:

To evaluate the influence of age, gender and educational level on the performance in tests related to memory of drawings of the BCB-Edu in healthy subjects.

Methods:

Participants were adult volunteers; exclusion criteria were illiteracy, neurologic or psychiatric disorders, visual or hearing impairment, untreated chronic clinical conditions, alcoholism, use of drugs, and for those aged 65 or over, an informant report of cognitive or functional impairment. We evaluated 325 individuals (207 women), with a mean age of 47.1 (±16.8) years, ranging from 19 to 81, and a mean of 9.8 (±5.0) schooling-years. Univariate analyses, correlations and logistic regression were employed (a=0.05).

Results:

There were significant negative correlations between age and the scores in four of the seven tests. However, schooling-years were positively correlated to the scores, where schooling-years decreased with age in this sample (rho= -0.323; p<0.001). Logistic regression confirmed that gender influenced the learning of drawings, where women performed better, while age influenced incidental memory, immediate memory, learning and delayed recall of the drawings, and schooling-years influenced visual identification, immediate memory, learning, delayed recall and recognition of the drawings.

Conclusion:

Gender, age and education influence the performance on the memory of drawings of the BCB-Edu, although the extent of these influences differs according to the nature of the test.

Key words:
neuropsychological tests; education; aging; Brief Cognitive Battery

Resumo

A Bateria Breve de Rastreio Cognitivo - Edu (BBRC-Edu) contém nove testes, sete dos quais relacionados à memória de desenhos. Tem uma boa acurácia no diagnóstico de comprometimento cognitivo.

Objetivos:

Avaliar a influência da idade, sexo e nível educacional no desempenho nos testes relacionados à memória de desenhos da BBRC-Edu em sujeitos saudáveis.

Métodos:

Os participantes foram voluntários; os critérios de exclusão foram: analfabetismo, doenças neurológicas ou psiquiátricas, perda auditiva ou visual, condições clínicas descompensadas, etilismo, uso de drogas, e para aqueles com idade igual ou superior a 65 anos, informação de acompanhante de presença de comprometimento cognitivo ou funcional. Foram avaliados 325 indivíduos (207 mulheres), com idade média de 47.1 (±16.8) anos, variando de 19 a 81 nos, média de 9.8 (±5.0) anos de escolaridade. Análise univariada, correlações e regressão logística foram empregadas (a=0.05).

Resultados:

Houve correlações negativas significativas entre idade e os escores de quatro dos sete testes. A escolaridade correlacionou-se positivamente aos escores, embora a escolaridade diminua com a idade nesta amostra (rho= -0.323; p<0.001). Regressão Logística confirmou que o gênero tem influência no aprendizado, com melhor desempenho entre as mulheres, enquanto a idade influenciou a memória incidental, memória imediata, aprendizado e evocação das figuras; e a escolaridade influenciou a identificação, memória imediata, aprendizado, evocação e reconhecimento.

Conclusão:

Gênero, idade e educação tiveram influência no desempenho na memória de figuras da BBRC-Edu, embora de modo diferente entre os tipos de teste.

Palavras-chave:
testes neuropsicológicos; educação; envelhecimento; Bateria Breve de Rastreio Cognitivo

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Publication Dates

  • Publication in this collection
    Apr-Jun 2008

History

  • Received
    27 Apr 2008
  • Accepted
    21 May 2008
Academia Brasileira de Neurologia, Departamento de Neurologia Cognitiva e Envelhecimento R. Vergueiro, 1353 sl.1404 - Ed. Top Towers Offices, Torre Norte, São Paulo, SP, Brazil, CEP 04101-000, Tel.: +55 11 5084-9463 | +55 11 5083-3876 - São Paulo - SP - Brazil
E-mail: revistadementia@abneuro.org.br | demneuropsy@uol.com.br