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Observational Study
Copyright: ©Author(s) 2026.
World J Psychiatry. Apr 19, 2026; 16(4): 114148
Published online Apr 19, 2026. doi: 10.5498/wjp.v16.i4.114148
Table 3 Univariate analysis of factors influencing mild cognitive impairment occurrence
Variables
Classification
n
MCI (n)
χ2
P value
GenderMale217349.8720.019
Female25061
Age60-691891523.598< 0.001
70-7920039
≥ 807840
Marital statusWith partner407777.0980.013
Without partner6018
Level of educationIlliterate681910.3460.011
Elementary school8923
Junior high school10419
Vocational high school and senior high school15224
University and junior college5410
Occupation before retirementPeasant1352612.5030.003
Laborer/clerical worker26359
Personnel of government agencies or public institutions608
Others91
Monthly income (yuan)< 2000152305.4120.381
2000-400017938
> 400013627
SmokingYes76162.3420.644
No39189
Drinking alcoholYes97223.1890.452
No37073
Residential situationLiving alone60122.1370.755
Living with family40783
Number of chronic diseases01141723.465< 0.001
119130
210925
≥ 35323
BMI< 18.52033.5560.382
18.5-23.922643
≥ 2422149
LSYes27111719.989< 0.001
No19626


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