Table 1.

Cognitive Assessment System, fatness, fitness, and physical activity unadjusted group means (SE) at pre and post, and adjusted means at post

	Group
	Control		Low-dosea		High-doseb
	n = 29		n = 33		n = 32
	M	SE	M	SE	M	SE
Cognitive Assessment System scales (Standard scores):
Planning
Pre	95.9	2.05	95.9	1.92	100.5	2.29
Post	99.0	2.64	100.2	2.22	108.4	2.00
Adjusted Post	100.1	1.58	101.4	1.47	105.6c	1.51
Attention
Pre	96.1	2.18	97.4	1.90	101.8	2.51
Post	105.7	2.24	104.0	2.04	108.5	2.68
Adjusted Post	107.6	1.55	104.9	1.43	105.8	1.47
Simultaneous
Pre	101.0	2.56	100.4	2.48	105.6	1.83
Post	103.5	2.27	106.9	1.95	109.4	2.21
Adjusted Post	104.3	1.66	108.0	1.55	107.5	1.58
Successive
Pre	100.4	2.38	98.7	2.16	101.8	2.18
Post	101.8	1.96	103.6	1.60	106.5	2.14
Adjusted Post	101.9	1.23	104.7	1.15	105.6	1.17
Body mass index z-scored
Pre	2.19	0.08	2.13	0.06	1.98	0.07
Post	2.16	0.08	2.07	0.07	1.91	0.08
Adjusted Post	2.07	0.03	2.03	0.03	2.03	0.03
Treadmill time (sec)d
Pre	452	28	471	33	498	31
Post	432	35	548	35	573	36
Adjusted Post	458	31	555	28	561	28
Vigorous physical activity (d/wk)d
Pre	3.0	0.43	3.6	0.46	3.1	0.39
Post	4.2	0.35	4.6	0.37	4.6	0.40
Adjusted Post	4.2	0.40	4.6	0.37	4.6	0.37
Moderate physical activity (d/wk)d
Pre	1.8	0.41	1.9	0.39	2.0	0.37
Post	1.9	0.35	2.8	0.36	2.9	0.44
Adjusted Post	1.9	0.41	2.8	0.38	2.9	0.38

^aLow-dose = 20 min/day aerobic exercise

^bHigh-dose = 40 min/day aerobic exercise

^cDiffers from control group, p = 0.01

^dControl group n = 28 at post