Table 1.

Mean values for the demographic and neuropsychological data of younger (YA) and older (OA) adults.

Measure	YA	OA	p-value
Self-selected pace (km/hr)	2.64	1.78	0.001
0-back (% correct)	100	100	n.s.
Mini Mental State Exam (MMSE) (score)	n/a	28.93	n/a
Geriatric Depression Scale (GDS) (score)	n/a	3.21	n/a
Digits Forward (score)	10.21	11.43	0.148
Digits Backward (score)	6.26	7.93	0.078
Digit Symbol (# items)	92.90	65.21	0.001
Trails B-A (secs)	25.51	36.81	0.077
Education (years)	16	15	0.229