Table 1. Demographics.

Group	N	Age	Education	Self-Reported Health	Vocabulary	Speed
Young
Control	38	20.6 (4.3)	12.7 (1.1)	4.3 (.72)	.40 (.13)	18.9 (5.0)
Training	41	21.6 (6.5)	12.3 (0.8)	4.0 (.84)	.42 (.14)	20.3 (4.1)
p		.255	.951	.116	.548	.431
Older
Control	39	71.7 (7.7)	14.5 (2.2)	3.9 (.73)	.66 (.15)	15.8 (9.4)
Training	39	68.9 (6.9)	14.9 (2.4)	3.7 (.86)	.62 (.16)	14.9 (7.5)
p		.057	.426	.223	.307	.484

Note. N = sample size. Education = average years of education. Self-Reported Health = scores ranged from 1 (poor) to 5 (excellent). Vocabulary = average proportion of correct on Shipley vocabulary test. Speed = average number of items correctly completed on the Letter Comparison test. Standard deviations are reported in parentheses.