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Screening for dementia in Arabic: normative data from an elderly Lebanese sample
Fadi Abou-Mrad1,2, Gordon Chelune3, Edward Zamrini3
1a Faculty of Medical Sciences , Lebanese University , Hadath , Lebanon.
The Clinical Neuropsychologist
|March 10, 2017
Summary
This study developed culturally sensitive cognitive norms for older Lebanese adults, using Arabic-translated screening tools. These new norms aid in the accurate detection of dementia in Arabic-speaking populations.
Area of Science:
- Neurology
- Gerontology
- Psychometrics
Background:
- Dementia prevention and treatment are global health priorities.
- International samples are crucial for developing generalizable diagnostic tools.
- Culturally sensitive adaptations are needed for diverse populations.
Purpose of the Study:
- To establish culturally sensitive cognitive norms for older Lebanese adults.
- To facilitate the regional use of cognitive screening measures in Arabic.
- To improve dementia identification in Arabic-speaking individuals.
Main Methods:
- 164 community-dwelling older Lebanese adults without cognitive complaints participated.
- Participants completed cognitive tests translated into Arabic, including AD8, MoCA, MMSE, and fluency tests.
- Test-retest reliability and internal consistency were calculated; normative data were generated adjusting for age, education, and sex.
Main Results:
- Reliabilities ranged from .55 to .90, with Cronbach's alpha from .34 to .93.
- Demographically unadjusted base-rates (5th, 10th, 15th percentiles) were presented.
- Demographically corrected normative data adjusted for age, education, and sex were generated.
Conclusions:
- Developing culturally sensitive norms is essential for adapting cognitive tests globally.
- The generated normative data support more accurate cognitive impairment and dementia identification in Arabic-speaking patients, particularly in Lebanon.
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