Table 1. Characteristics of the sample (N=2811).

Characteristic		N	weighted %a
Age group (years)
	18-29	368	15.1
	30-44	958	33.2
	45-64	1,145	40.1
	≥ 65	340	11.7
Sex
	Male	716	27.8
	Female	2,095	72.2
Race/ethnicity
	White, non-Hispanic	1,617	70.5
	Black, non-Hispanic	599	12.9
	Hispanic, any race	469	10.9
	Other	126	5.8
Nativity
	US-born	2,480	90.1
	Foreign-born	331	9.9
Education
	Less than high school	497	16.1
	High school graduate	731	26.2
	Some college	1,583	57.7
Household income ($)
	0-19,999	876	26.5
	20,000-34,999	600	20.4
	35,000-69,999	777	29.3
	>=70,000	558	23.8
Marital status
	Married/cohabitating	1,315	56.7
	Divorced/separated/widowed	977	27.8
	Never married	519	15.5
Urbanicity
	Urban	972	33.3
	Suburban	1,392	50.5
	Rural	447	16.3
Region
	Northeast	510	18.3
	Midwest	554	19.6
	South	1,051	37.1
	West	696	25.0
Employment (full-time)
	Unemployed	1,544	54.3
	Employed	1,267	45.7
Health insurance
	Uninsured	340	12.0
	Insured	2,471	88.0
Number of other psychiatric disorders (lifetime)
	0	397	14.4
	1	527	18.3
	2	493	17.1
	3+	1,394	50.2
Type of PTSD Treatment
	Any Treatment	1,475	53.3
	Outpatient	1,326	48.3
	Hospitalization	278	09.1
	Emergency Department	251	08.5
	Medication Use	865	31.3
PTSD symptom severity (weighted mean)
		2811	12.4 (SD=2.8; Range 6-17)
Social Support (weighted mean)
	ISEL	2811	41.0 (SD=6.8; Range=12–48)

^aWeighted to account for selection probabilities, non-response, and sociodemographic factors in order to be representative of the US civilian population based on estimates from the 2000 census.