China is facing a continuously rising numbers of people with cognitive impairment (CI).To investigate the prevalence and risk factors of CI among elderly people living in rural and urban communities.We conducted a face-to-face survey of CI on 7,900 individuals aged 50 years or older meeting inclusion criteria in the Malu (rural community, n = 4,429) and Wuliqiao (urban community, n = 3,471) communities of Shanghai. The Mini-Mental State Examination (MMSE) was used to evaluate the cognitive function. Information on demographic features and potential risk factors for CI was collected during the interview. Multivariate logistic regression was performed to identify risk factors associated with CI.Based on the education modified MMSE score, we identified 329 CI cases in rural community and 227 in urban community. The prevalence of CI was 7.43

作者：Hui-Dong, Tang；Yi, Zhou；Xiang, Gao；Liang, Liang；Miao-Miao, Hou；Yuan, Qiao；Jian-Fang, Ma；Sheng-Di, Chen

来源：Journal of Alzheimer's disease : JAD 2016 年 49卷 4期