Table 1.

Characteristics of Participants Stratified by PTSD Diagnosis

	Sample (n=89)	PTSD (n=24)	Non PTSD (n=65)	P Value
Age, mean (SD)c	43.6 (8.4)	41.6 (7.3)	44.4 (8.7)	.17
Femalea	33.7%	58.3%	24.6%	<.01
Whiteb	29.2%	33.3%	26.6%	.60
Black	69.7	66.7%	72.3%
Native American, Pacific Islander	1.1%	0%	1.1%
Hispanicb	3.3%	4.3%	3.2%	1.00
Marriedb	18.8%	13.6%	20.6%	.55
High School & Abovea	65.5%	45.5%	72.6%	.02
Employedb	22.3%	18.2%	23.8%	.77
Income Sourceb				.63
Self	27.4%	33.3%	25.0%
Public Assistance	20.7%	23.8%	19.6%
Other	51.9%	42.9%	55.4%
Family Incomeb				.67
<1,000	60.0%	59.1%	60.3%
1,000-4,999	18.5%	22.7%	17.2%
>5,000	21.5%	18.2%	22.4%
Methadone dosec	88.4(20.8)	89.0 (23.4)	88.1(19.9)	.87
Positive Toxicity screeninga	50.6%	62.5%	46.5%	.19
Testing Positive for >1 substancea	19.3%	16.7%	20.3%	.75
QIDS	10.5±6.2	15.9 ± 4.6	8.3 ± 5.5	<.001
QIDS >11	43.8%	92%	26%	<.001

Tests comparing PTSD vs. Non PTSD:

^aChi squared test

^bFisher exact

^ct Test