Table 1.

Characteristics of Healthy, Unmedicated PTSD Participants and Age-Matched Controls

	Group
Variable	PTSD group (n = 44)		Control group (n = 50)		Test Statistic	p value
	M or n	SD or %	M or n	SD or %
Age (SD)	30.55	6.57	30.34	8.11	t(92) = −.13	p = 0.89
Gender (%)					χ2(1) = .15	p = 0.70
Male	22	50	23	46
Female	22	50	27	54
Years of education (SD)	14.86	2.20	15.40	2.04	t(91) = 1.22	p = 0.23
Race (%)					χ2(4) = 11.29*	p = 0.024
African American	5	11	1	2
Asian American	3	7	7	14
Caucasian	27	61	40	80
Other	7	16	1	2
Unknown	2	5	1	2
Marital Status (%)					χ2(3) = 8.94*	p = 0.030
Single	34	77	42	84
Married/Partnered	2	5	7	14
Divorced	5	11	1	2
Separated	3	7	0	0
Veteran Status					χ2(1) = 12.72***	p < .001
Civilian	34	77	50	100
Veteran	10	23	0	0
Body Fat Percentage	30.77	8.40	26.60	10.63	t(85) = −2.03*	p = .045
CAPS	54.79	15.84	0.00	0	t(53) = −11.90***	p < .001
Current Depression					χ2(1) = 9.94**	p = .002
Absent	36	82	50	100
Present	8	18	0	0

Note. Mean values presented. CAPS = Clinician-Administered PTSD Scale.

^*p < .05,

^**p < .01,

^***p < .001. Three participants who described their race as Hispanic comprised the participants in the ‘Unknown’ race category.