Prevalence of the Mild Cognitive Impairment among Elderly in Beijing
- VernacularTitle:北京城乡老年人轻度认知障碍患病率调查
- Author:
Zhe TANG
;
Xinqing ZHANG
;
Xiaoguang WU
- Publication Type:Journal Article
- Keywords:
MCI;
prevalence;
elderly people;
epidemiology survey
- From:
Chinese Mental Health Journal
1991;0(02):-
- CountryChina
- Language:Chinese
-
Abstract:
Objective:To study the prevalence of mild cognitive impairment (MCI) among elderly people and associated factors to it.Method:A sample of 1865 elderly people aged 60 or above living in Beijing metropolitan area was investigated by a two-stage survey.In the first stage, a door-to-door visit to the subjects was performed by a trained interviewer to conduct general questionnaire including activity daily living assessment, memory and cognitive test.On the second stage, neurologists examined all screened subjects to collect family history and to finish general and neurological examination as well as neuropsychological testing.MCI was diagnosed by the consensus of 2 neurologists.Result:Among the 1865 subjects visited, 217 (11.6%) were defined to have MCI.After adjusted for age and gender the standardized prevalence reaches 8%.Within the people with MCI 22.6% was classified as vascular MCI.The prevalence of MCI was higher in people living in rural area, in people with lower educational attainment, and in people who were labor workers.The prevalence increased with age advancing.Conclusion:Similar to dementia, people with advance aged, with low education and living in rural area are those at high risk of developing MCI.
