Table 3. Cognitive performance expressed as number of subjects with mistakes dependent on calendar age in years.

	All subjects*	Model 1			Model 2
Cognitive performance tests	N = 500	OR	95% CI	p	OR	95% CI	p
15-PLT†
trial 1	28 (5.6)	1.00	0.95, 1.07	0.90	1.01	0.94, 1.09	0.74
trial 2	28 (5.6)	1.00	0.94, 1.06	0.88	1.01	0.94, 1.08	0.76
trial 3	20 (4.0)	0.99	0.92, 1.06	0.78	1.00	0.92, 1.09	0.97
immediate recall	47 (9.4)	1.00	0.96, 1.05	0.89	1.01	0.96, 1.07	0.71
delayed recall	35 (7.1)	0.98	0.93, 1.04	0.50	1.00	0.94, 1.06	0.96
Stroop test†
part 2	36 (7.2)	1.05	0.99, 1.11	0.081	1.04	0.98, 1.11	0.22
part 3	134 (27.0)	1.09	1.05, 1.13	<0.001	1.10	1.06, 1.15	<0.001

^*Values are expressed as number (%).

^†Subjects with no mistakes = 0, subjects with one or more mistakes = 1. Abbreviations: OR, odds ratio; CI, confidence interval; 15-PLT, 15-Picture Learning Test. Model 1: adjusted for gender and years of education. Model 2: as model 1+ diabetes mellitus, cardiovascular diseases (myocardial infarction, stroke and hypertension), alcohol use, smoking, high-sensitivity C-reactive protein, interleukin-6 and apolipoprotein E genotype.