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| Prevalence and influencing factors of mild cognitive impairment among the elderly in Zhoushan City |
| ZHONG Su-ya*, TONG Zhen-dong, HU Ben-xiang, YUAN Xiang-bo, CHEN Wei, ZHANG Fen-na, YU Qing
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| *The Center for Community Healthcare in Putuo Mountain,Zhoushan,Zhejiang 316000,China |
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Abstract Objective To learn the prevalence,distribution and risk factors of mild cognitive impairment（MCI）among elderly in Zhoushan City,and to provide the reference for MCI control. Methods A total of 1 801 elderly people aged 60 to 79 years old from six districts of Zhoushan City were sampled by method of stratified random sampling. After self-evaluated with Ascertain Dementia 8（AD8）and screened with Screening Scale for Mild Cognitive Impairment（sMCI）,the diagnosis by specialists was conducted for that positive to AD8 and sMCI. Results of 1801 respondents,873（48.47%）people were male,and the other 928（51.53%）people were female; 38.65% of the people selected aged 60-<65; 90.28% had a primary school education or were illiterate;78.51% had legitimate and healthy wives. A total of 122 elderly people were diagnosed with MCI,and the prevalence of MCI was 6.77%. Multivariate logistic regression analysis showed that male elderly people（OR=0.53,95%CI：0.28-1.00）were less likely to develop MCI compared to the female,and the illiterate（OR=2.09,95%CI：1.16-3.77）were more likely to develop MCI compared to the educated . Conclusion The prevalence of MCI among the elderly in Zhoushan was 6.77%;the female and the illiterate were more likely to develop MCI.
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Received: 31 July 2017
Revised: 06 November 2017
Published: 01 January 1900
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