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Effects of age, education and gender in the Consortium to Establish a Registry for the Alzheimer's Disease (CERAD)-Neuropsychological Assessment Battery for Cantonese-speaking Chinese elders

Published online by Cambridge University Press:  05 July 2011

Karen P. Y. Liu*
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Michael C. C. Kuo
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Kin-chung Tang
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Allison W. S. Chau
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Iris H. T. Ho
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Matthew P. H. Kwok
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Wallis C. W. Chan
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Roy H. K. Choi
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Natalie C. W. Lam
Affiliation:
Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hong Kong
Mary M. L. Chu
Affiliation:
Occupational Therapy Department, Queen Mary Hospital, Hong Kong
Leung-wing Chu
Affiliation:
Department of Medicine, Queen Mary Hospital, Hong Kong
*
Correspondence should be addressed to: Karen Liu, PhD, Department of Rehabilitation Sciences, The Hong Kong Polytechnic University, Hung Hom, Kowloon, Hong Kong. Phone: +852 2766 4801; Fax: +852 2330 8656. Email: Karen.liu@inet.polyu.edu.hk.

Abstract

Background: The Consortium to Establish a Registry for Alzheimer's Disease Neuropsychological Assessment Battery (CERAD-NAB) offers information on the clinical diagnosis of Alzheimer's disease (AD) and gives a profile of cognitive functioning. This study explores the effects of age, education and gender on participants' performance on eight subtests in the Chinese-Cantonese version of the CERAD-NAB.

Methods: The original English version of the CERAD-NAB was translated and content-validated into a Chinese-Cantonese version to suit the Hong Kong Chinese population. The battery was administered to 187 healthy volunteers aged 60 to 94 years. Participants were excluded if they had neurological, medical or psychiatric disorders (including dementia). Stepwise multiple linear regression analyses were performed to assess the relative contribution of the demographic variables to the scores on each subtest.

Results: The Cantonese version of CERAD-NAB was shown to have good content validity and excellent inter-rater reliability. Stepwise multiple regression analyses revealed that performances on seven and four out of eight subtests in the CERAD-NAB were significantly influenced by education level and age, respectively. Age and education had significant effects on participants' performance on many tests. Gender also showed a significant effect on one subtest.

Conclusions: The preliminary data will serve as an initial phase for clinical interpretation of the CERAD-NAB for Cantonese-speaking Chinese elders.

Type
Research Article
Copyright
Copyright © International Psychogeriatric Association 2011

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References

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Effects of age, education and gender in the Consortium to Establish a Registry for the Alzheimer's Disease (CERAD)-Neuropsychological Assessment Battery for Cantonese-speaking Chinese elders
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