Objective To investigate the prevalence and influencing factors of mild cognitive impairment (MCI) in the elderly in Xiamen municipality (Xiamen) of Fujian province for providing evidences to improve cognitive function and quality of life of the elderly.
Methods Using stratified random sampling, we conducted a survey among 3 230 permanent residents aged 60 years and above in 44 urban communities or rural villages across Xiamen during July – October 2016. Montreal Cognitive Assessment (MoCA), Activities of Daily Living (ADL), and a self-designed questionnaire were adopted in the study.
Results Among the 3 043 residents with valid information, 613 were identified suffering from MCI and the prevalence of MCI was 20.14%. Unconditional multivariate logistic regression analysis demonstrated that female gender, at elder age, living in suburban or rural areas were risk factors of MCI; while, using smart phone and having common or good sleep quality were protective factors against MCI.
Conclusion The prevalence of MCI is relatively high and mainly influenced by gender, age, residential place, use of smart phone, and sleep quality among the elderly in urban and rural Xiamen.
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