Table 1.

Groups characteristics (age, gender, months from injury, race, education and employment) with standard deviation

Group	T6 and above, n = 26	Below T6, n = 10	Control n = 34
Age (mean years (s.d.))	37.7 (14.2)	35.6 (13.6)	36.4 (13.0)
Sex (% male; % female)	88.5; 11.5	100; 0	Matched for sex
Months from injury (mean, s.d.)	13 (26.2)	41 (71.1)	Not applicable
Race (%)
African American	57.7	40.0	17.6
Caucasian	26.9	30	52.9
Hispanic	15.4	30	8.8
Asian	0	0	20.6
Education (%)
Grade school	16.0	0	0
High school	44.0	50.0	5.9
Trade school	4.0	30.0	29.4
College or higher	36.0	20.0	64.7
Employed (%)
Prior to injury	69.2	60.0	NA
At time of study	11.5	10.0	89.9

Abbreviation: NA, not applicable.