Table 3.

Linear regression models for univariate associations, predictors and concomitant factors of Montreal Cognitive Assessment total score.

		Univariate				Model 1: Predictors(n = 913)				Model 2: Concomitant factors(n = 922)
	Characteristic	B	95% CI1	Std. beta	p	B	95% CI1	Std. beta	p	B	95% CI1	Std. beta	p
Sociodemographic	Gender				0.050			-0.07	0.030			-0.07	0.024
	Female	—	—			—	—			—	—
	Male	−0.31	−0.63, 0.00	−0.06		−0.33	−0.63, −0.03			−0.34	−0.64, −0.05
	Age [years]	−0.06	−0.07, −0.05	−0.37	< 0.001	−0.04	−0.05, −0.03	−0.25	< 0.001	−0.05	−0.06, −0.04	−0.31	< 0.001
	Education				< 0.001			0.23	< 0.001			0.22	< 0.001
	< 12 years	—	—			—	—			—	—
	≥12 years	1.5	1.2, 1.8	0.31		1.1	0.82, 1.4			1.1	0.80, 1.4
Potential predictors	Any neuropsychiatric disease	−0.75	−1.1, −0.39	−0.13	< 0.001	−0.80	−1.2, −0.37	−0.14	< 0.001
	Depression disorder	−0.26	−0.77, 0.26	−0.03	0.33	0.53	−0.05, 1.1	0.07	0.074
	Anxiety disorder	0.30	−0.57, 1.2	0.02	0.50	0.67	−0.18, 1.5	0.05	0.12
	Sleep apnoea	−1.1	−1.9, −0.39	−0.10	0.003
	Chronic kidney disease	−0.56	−1.9, 0.79	−0.03	0.41
	Cardiovascular disease	−1.3	−1.6, −1.0	−0.24	< 0.001	−0.29	−0.66, 0.07	−0.05	0.12
	Tumour disease	−1.0	−2.3, 0.24	−0.05	0.11
	Number of acute COVID symptoms	−0.02	−0.06, 0.01	−0.04	< 0.001
	Treatment setting				< 0.001				0.15
	Home isolation	—	—	0.17		—	—	0.08
	General ward	−1.6	−2.4, −0.91	−0.14		−0.54	−1.2, 0.16	0.02
	Intensive care	−2.0	−3.2, −0.74	−0.10		−0.80	−2.0, 0.37	−0.02
Concomitant factors	Time since diagnosis [days]	0.00	−0.01, 0.00	−0.11	< 0.001
	Anaemia	−0.30	−0.88, 0.28	−0.03	0.31
	C-reactive protein [mg/l]	0.01	−0.04, 0.05	0.01	0.76
	Fatigue (FACIT)	0.00	−0.02, 0.01	−0.01	0.78					0.00	−0.02, 0.02	0.01	0.7
	Depression (PHQ-8)	0.00	−0.03, 0.04	0.00	0.94
	Anxiety (GAD-7)	−0.01	−0.05, 0.03	−0.01	0.78					−0.03	−0.08, 0.02	−0.04	0.3
	Sleep (PSQI)	−0.06	−0.10, −0.02	−0.11	0.004