. Author manuscript; available in PMC: 2009 Jan 8.

Published in final edited form as: J Neurosurg. 2006 Oct;105(4 Suppl):287–296. doi: 10.3171/ped.2006.105.4.287

TABLE 1.

Demographic information for the TBI and comparison groups

	TBI Group	Comparison Group	Total Tested
Variable	(23 children)	(21 children)	(44 children)	Statistic (df)	p Value
sex (no. of children)
female	11	11	44	χ² = 0.09 (1)	0.7628
male	12	10
ethnicity (no. of children)
Caucasian	9	7	44	χ² = 1.36 (3)	0.7141
African-American	8	9
Hispanic	3	4
other/multiethnic	3	1
age at testing in mos^*	89.6 ± 26.2	101.0 ± 29.0	42	t = 1.38 (42)	0.1763
Family Resource Scale score^*	118.4 ± 20.6	127.7 ± 14.6	42	t = 1.70 (42)	0.0959
Parenting Stress Scale score^*	−0.16 ± 1.2	−0.66 ± 0.9	41	t = 1.56 (42)	0.1264
school grade (no. of children)
Kindergarden–1	11	8	44	χ² = 0.42 (1)	0.5151
2–6	12	13

Scores are given as means ± SDs.