Predictors of cognitive impairment according to multiple linear regression analysis.

Table 4: Predictors of cognitive impairment according to multiple linear regression analysis.

Predictor variables	Orientation^a		Language^b		Recording memory^c		Recolling^d		Attention^e		Total SMMT^f
Predictor variables	Β (SE)	p	Β (SE)	p	Β (SE)	p	Β (SE)	p	Β (SE)	p	Β (SE)	p
Age	-1.09 (0.43)	0.013	-1.14 (0.41)	0.007	-0.10 (0.17)	0.543	-0.49 (0.25)	0.053	-0.72 (0.42)	0.094	-3.67 (1.16)	0.002
Sex	0.44 (0.43)	0.307	-0.09 (0.41)	0.820	-0.01 (0.17)	0.947	-0.13 (0.25)	0.606	0.59 (0.42)	0.165	0.81 (1.16)	0.485
Marital status	-0.19 (0.23)	0.391	0.16 (0.22)	0.463	-0.17 (0.09)	0.069	0.01 (0.13)	0.960	0.41 (0.22)	0.070	0.24 (0.62)	0.694
Educational status	0.68 (0.39)	0.082	0.92 (0.37)	0.017	0.20 (0.15)	0.187	-0.04 (0.22)	0.838	1.28 (0.38)	0.001	2.94 (1.05)	0.006
Family structure	-0.14 (0.39)	0.712	0.66 (0.38)	0.082	0.20 (0.15)	0.197	0.06 (0.23)	0.767	-0.80 (0.38)	0.041	0.07 (1.06)	0.942
Residence	-0.13 (0.24)	0.583	-0.42 (0.23)	0.080	-0.15 (0.10)	0.138	-0.25 (0.14)	0.080	-0.09 (0.24)	0.704	-1.06 (0.66)	0.113
Employment status	-0.70 (0.53)	0.190	-0.31 (0.51)	0.540	0.01 (0.21)	0.939	-0.30 (0.31)	0.333	0.22 (0.52)	0.668	-1.06 (1.43)	0.460
Income status	0.02 (0.32)	0.936	0.07 (0.31)	0.810	-0.03 (0.13)	0.810	-0.05 (0.19)	0.795	-0.20 (0.32)	0.523	-0.07 (0.89)	0.934
Level of care dependency	1.03 (0.31)	0.001	0.67 (0.29)	0.026	0.17 (0.12)	0.156	0.18 (0.18)	0.323	0.62 (0.30)	0.044	2.65 (0.83)	0.002

^aR² = 0.388, adjusted R² = 0.335; ^bR² = 0.319, adjusted R² = 0.252; ^cR² = 0.134, adjusted R² = 0.058; ^dR² = 0.111, adjusted R² = 0.033; ^eR² = 0.322, adjusted R² = 0.255; ^fR² = 0.407, adjusted R² = 0.349.