. Author manuscript; available in PMC: 2012 Apr 1.

Published in final edited form as: Dev Neuropsychol. 2011 Apr;36(3):273–287. doi: 10.1080/87565641.2010.549885

TABLE 1.

Demographic Features and Mechanism of Injury in the TBI and OI Groups

	OI (N = 39)		TBI (N = 49)		p-Value
	Mean	STD	Mean	STD	p-Value
Age at injury (years)^†	12.07	2.19	13.4	2.79	0.017
Socioeconomic status (Yeates et al., 1997)	0.22	0.86	0.02	0.8	0.251
Injury-study interval (months)	3.79	0.6	3.76	0.68	0.837
Glasgow Coma Scale score (Teasdale & Jennett, 1974)	NA	NA	8.37	4.43	NA
	n	Percentage	n	Percentage	p-Value
Gender
Male	26	66.67	32	65.31	0.894
Female	13	33.33	17	34.69

^†

Groups significantly differ. OI = orthopedic injury; TBI = traumatic brain injury.