Table 3. Factors associated with presence of aMCI, determined by bivariate analysis and multiple regression (n=352).

Variables		Bivariate analysis				Multiple regression
		OR	95% CI	P		PR	95% CI	p
Sex	Female	Ref.				Ref.
	Male	1.03	0.57-1.86	0.923		0.73	0.39-1.34	0.311
Age	60-64	Ref.
	65-69	4.93	1.15-21.04	0.031		5.64	1.38-22.96	0.016
	70-74	4.93	1.13-21.51	0.034		4.71	1.08-20.56	0.039
	75-79	10.08	2.44-41.68	0.001		9.23	2.25-37.91	0.002
	≥80	13.14	3.17-54.4	0.000		15.33	3.79-61.99	0.000
Years of education	6-10	Ref.				Ref.
	11-15	0.44	0.27-0.71	0.001		0.56	0.34-0.93	0.024
	>16	0.24	0.12-0.48	0.000		0.32	0.15-0.66	0.002
SCC location	Jesús María	Ref.				Ref.
	La Molina	0.48	0.22-1.07	0.071		0.52	0.25-1.08	0.080
	Carabayllo	1.54	0.84-2.82	0.165		1.20	0.65-2.22	0.560
	Cercado de Lima	1.62	0.88-3.01	0.122		1.46	0.80-2.67	0.216

*Adjusted for sex, years of education and SCC location.