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J Alzheimers Dis. 2019 Jun 24. doi: 10.3233/JAD-190113. [Epub ahead of print]

Reliability and Validity of the Chinese Version of the Mild Behavioral Impairment Checklist for Screening for Alzheimer's Disease.

Author information

1
Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, China.
2
Department of Geriatric, Fu Xing Hospital, Capital Medical University, Beijing, China.
3
Department of Gerontology, Shanghai Jiaotong University Affiliated Sixth People's Hospital, Shanghai, China.
4
Alzheimer's Disease Research Unit, McGill Centre for Studies in Aging, Verdun, QC, Canada.
5
National Clinical Research Center for Geriatric Disorders, Capital Medical University, Beijing, China.

Abstract

BACKGROUND:

The Mild Behavioral Impairment Checklist (MBI-C), a screening scale for neuropsychiatric symptom evaluation, facilitates Alzheimer's disease (AD) screening. However, its validity and reliability for use as an AD screening tool have not been determined.

OBJECTIVE:

To develop an AD screening scale suitable for the Chinese population.

METHODS:

The MBI-C was translated into Chinese and back-translated with the original author's consent. Forty-six AD patients, attending the Xuanwu hospital memory clinic, and 50 sex- and education-matched controls from the community underwent a full neuropsychological evaluation, including MBI-C assessment. Among them, 15 AD patients were evaluated repeatedly, and eight were evaluated simultaneously by two different clinicians, to assess MBI-C reliability.

RESULTS:

The MBI-C demonstrated good internal consistency reliability, test-retest reliability, and inter-rater reliability. Its optimal cutoff point was 6/7 for identifying AD dementia, with a sensitivity of 86.96% and specificity of 86.00%, and its detection rate for moderate-severe AD dementia was higher than that of the Neuropsychiatric Inventory Questionnaire (NPI-Q). Pearson's correlation coefficients ranged from 0.702 to 0.831, indicating content validity. Seven factors were extracted during principal component analysis, with a cumulative contribution of 70.55%. Moreover, the Pearson's correlation coefficient was 0.758, indicating its criterion validity. The MBI-C could also distinguish AD dementia severity. MBI-C scores were significantly negatively correlated with MMSE and MoCA scores, and positively correlated with ADL scores.

CONCLUSION:

This study showed that the Chinese version of MBI-C has high reliability and validity, and could replace the NPI-Q for AD dementia screening in the Chinese population.

KEYWORDS:

Alzheimer’s disease; mild behavioral impairment checklist; neuropsychiatric inventory questionnaire; reliability; validity

PMID:
31256131
DOI:
10.3233/JAD-190113

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