Table 1.

Demographic Data and Mean Neuropsychological Summary Data for Traumatic Brain Injury (TBI) and Control Groups.

	Group
	TBI (n=30)		Control (n=30)
Variable or Test	M	SD	M	SD	t-test	Cohen’s d
Demographics
Age	30.43	13.51	29.87	12.84	0.17	0.04
Education (years)	12.57	1.89	13.30	2.49	−1.28	0.33
Gender (% male)	67%		60%
eFSIQ	103.27	8.36	104.47	9.10	−0.52	0.14
Global Cognitive Status
TICS total score	33.64†	4.16	38.42‡	3.81	−4.29*	1.20
Attention/Processing Speed
SDMT Oral total	46.97	10.27	68.00	10.96	−7.67*	1.98
SDMT Written total	39.33	11.90	56.17	7.52	−6.55*	1.69
Verbal Memory
RAVLT List Learning	45.53	8.89	56.03	7.63	−4.91*	1.27
RAVLT Delayed Recall	7.70	3.51	11.37	3.06	−4.31*	1.11
Executive Skills
WAIS-III LN Sequencing	9.50	2.67	11.63	2.85	−2.99*	0.77
COWAT	25.00	9.72	42.00	11.23	−6.27*	1.62
Trails B	104.97	48.21	56.83	22.68	4.95*	1.28

Note. Unless otherwise indicated, mean scores are raw scores. TICS = Telephone Interview for Cognitive Status; SDMT = Symbol Digit Modalities Test; RAVLT = Rey Auditory Verbal Learning Test; LN Sequencing= Letter Number Sequencing subtest of the Weschler Adult Intelligence Scale- Third Edition; COWAT= Controlled Oral Word Association Test (PRW).

^*p < .01

^†n = 28

^‡n = 24