Table 4.

Results of the three‐level logistic and linear mixed regression models

	Without covariates adjustment					With covariates adjustment
	OR	95%CI			P‐value	OR	95%CI			P‐value
Mild cognitive impairment	1.89	1.19	;	3.00	<0.01	1.74	1.02	;	2.96	0.04
	β	95%CI			P‐value a	β	95%CI			P‐value b
Composite cognition score	−0.78	−1.15	;	−0.40	<0.01	−0.57	−0.93	;	−0.21	<0.01
Immediate verbal recall	−0.26	−0.39	;	−0.13	<0.01	−0.14	−0.28	;	−0.01	0.04
Delayed verbal recall	−0.24	−0.35	;	−0.14	<0.01	−0.12	−0.23	;	−0.01	0.03
Forward digit span	−0.11	−0.22	;	0.01	0.05	−0.08	−0.19	;	0.04	0.19
Backward digit span	−0.12	−0.24	;	0.01	0.05	−0.10	−0.23	;	0.03	0.12
Semantic verbal fluency	−0.23	−0.34	;	−0.12	<0.01	−0.17	−0.28	;	−0.05	0.01

^a Adjusted for follow‐up time duration and baseline MCI or cognitive function.

^b Adjusted for follow‐up time duration, baseline MCI or cognitive function and covariates shown in Tables 2 and 3.