Table 3.

Correlation analysis between social network and cognitive impairment.

	Model 1		Model 2
	OR (95%CI)	P	OR (95%CI)	P
Social network	3.84 (2.59, 5.69)	< 0.001	2.08 (1.27, 3.41)	0.004
Dimensions
Relative network	4.05 (2.75, 5.96)	< 0.001	2.04 (1.27, 3.28)	0.003
Friend network	3.57 (2.40, 5.31)	< 0.001	2.11 (1.30, 3.45)	0.003

Model 1 did not adjust for covariates, and model 2 adjusted for gender, age, marital status, night shift work, living alone, smoking status, drinking status, regular exercise, sleep duration and SES.