Table 2.

Associations between different levels of physical activity and three measures of cognitive function.

Cognitive function tests	Model 1			Model 2			Model 3
	OR	95% CI	p-value	OR	95% CI	p-value	OR	95% CI	p-value
CERAD
No-PA	Reference			Reference			Reference
Low-level PA	0.956	0.516, 1.769	0.881	1.092	0.616, 1.935	0.750	1.142	0.647, 2.019	0.610
Moderate-level PA	0.602	0.348, 1.042	0.068	0.702	0.407, 1.212	0.190	0.697	0.387, 1.254	0.197
High-level-PA	0.621	0.388, 0.994	0.047	0.807	0.501, 1.301	0.358	0.791	0.476, 1.314	0.323
AFT
No-PA	Reference			Reference			Reference
Low-level-PA	0.571	0.364, 0.894	0.016	0.513	0.310, 0.850	0.032	0.566	0.333, 1.061	0.068
Moderate-level-PA	0.365	0.172, 0.775	0.011	0.400	0.179, 0.894	0.028	0.442	0.186, 1.053	0.062
High-level-PA	0.519	0.284, 0.949	0.034	0.670	0.361, 1.245	0.191	0.777	0.401, 1.508	0.412
DSST
No-PA	Reference			Reference			Reference
Low-level-PA	0.738	0.505, 1.080	0.114	0.739	0.507, 1.079	0.110	0.784	0.503, 1.222	0.246
Moderate-level-PA	0.374	0.211, 0.664	0.002	0.422	0.232, 0.769	0.007	0.457	0.244, 0.853	0.020
High-level-PA	0.319	0.178, 0.571	<0.001	0.438	0.226, 0.850	0.017	0.478	0.240, 0.955	0.039

Model 1: unadjusted.

Model 2: adjusted for age, gender, race/ethnicity, education, marital, PIR.

Model 3: adjusted for Model 2 + HEI, BMI, smoke, drink, hypertension, CHD, stroke, depression.

BMI, body mass index; CHD, coronary heart disease; HEI, healthy eating index; PIR, poverty income ratio; PA, physical activity.