Table 1. Characteristics of the study population of BASE-II, N = 1299.

Source: BASE-II.

		Poor cognitive performance		Good cognitive performance		Total
Variable		n	%	n	%	n	%
Diabetes mellitus
	Non-diabetics	266	81.9	868	89.1	1,134	87.3
	Treated diabetics, oral ADM	22	6.8	46	4.7	68	5.2
	Treated diabetics, insulin	7	2.2	12	1.2	19	1.5
	Untreated diabetics	13	4.0	25	2.6	38	2.9
	Undiagnosed diabetics	17	5.2	23	2.4	40	3.1
Physical activity
	Active	130	40.0	497	51.0	627	48.3
	Inactive	195	60.0	477	49.0	672	51.7
Cohabitation status
	Not alone	183	56.3	616	63.2	799	61.5
	Alone	142	43.7	358	36.8	500	38.5
Sex
	Male	187	57.5	472	48.5	659	50.7
	Female	138	42.5	502	51.5	640	49.3
Mean age in years (sd)		68.98 (0.21)		67.75 (0.11)		68.06 (0.10)
MMSE
	<24	2	0.6	2	0.2	4	0.3
	24–30	323	99.4	970	99.6	1,293	99.5
	Missing	0	0.0	2	0.2	2	0.2
Education
	Low	216	66.5	471	48.4	687	52.9
	High	109	33.5	503	51.6	612	47.1
Hypertension
	No	159	48.9	545	56.0	704	54.2
	Yes	166	51.1	429	44.1	595	45.8
Stroke
	No	317	97.5	954	98.0	1271	97.8
	Yes	8	2.5	20	2.1	28	2.2
Cardiovascular diseases
	None	293	90.2	891	91.5	1184	91.2
	At least one	32	9.9	83	8.5	115	8.9
Depression
	No	190	58.5	602	61.8	792	61.0
	Yes	128	39.4	367	37.7	495	38.1
	Missing	7	2.2	5	0.5	12	0.9
Dyslipidemia
	No	207	63.7	608	62.4	815	62.7
	Yes	118	36.3	366	37.6	484	37.3
Body mass index
	<30 kg/m2	258	79.4	809	83.1	1,067	82.1
	> = 30 kg/m2	67	20.6	165	16.9	232	17.9
Current smoking
	No	290	89.2	887	91.1	1,177	90.6
	Yes	35	10.8	87	8.9	122	9.4

sd = standard deviation

ADM = anti-diabetic medications

MMSE = Mini Mental Status Examination