Table 1.

Prevalence of Study Variables by Lifetime PTSD History Status and Chi-Square Comparisons.

	Total		Lifetime PTSD		Lifetime No PTSD		X2
	n=269	%	n=70	%	n=199	%	df	X2	p
Demographics
Gender							(1, 262)	0.2
Female	200	74.3%	50	71.4%	143	74.5%
Male	69	25.7%	20	28.6%	49	25.5%
Race/ethnicity+							(4, 248)	1.4
Caucasian	172	63.9%	43	66.2%	127	67.9%
African American	45	16.7%	10	15.4%	35	18.7%
Hispanic	27	10.3%	9	12.3%	18	9.6%
Asian/Pacific Island	5	1%	2	3.1%	3	1.6%
Native American	8	3%	2	3.1%	4	2.1%
Other PTE
Physical Assault	110	40.8%	43	62.3%	64	33.2%	(1, 262)	17.9	**
Physical Abuse	105	39.2%	37	52.9%	65	33.9%	(1, 262)	7.8	*
Witnessed Community Violence	171	63.8%	58	82.9%	108	56.3%	(1, 262)	15.6	**
Witnessed Domestic Violence	55	20.7%	16	22.9%	36	18.8%	(1, 262)	0.5
Co-occurring disorders
PTSD
Lifetime	70	26.0%	70	100.0%	0	0.0%	n/a
Past 6 mo.	44	16.6%	44	62.9%	0	0.0%	n/a
MDE
Lifetime	97	36.2%	54	78.3%	39	20.3%	(1, 261)	74.4	**
Past 6 mo.	72	26.7%	43	61.4%	25	13.0%	(1, 262)	62.5	**
Risky Behavior
Delinquent Behavior
Lifetime	99	36.9%	36	52.2%	60	31.1%	(1, 262)	9.7	*
Past 1yr	64	23.7%	21	30.0%	39	20.3%	(1, 262)	2.7
Alcohol to Intoxication
Lifetime	106	39.4%	29	41.4%	75	39.1%	(1, 262)	0.1
Past 1yr	84	31.2%	25	35.7%	58	30.1%	(1, 263)	0.8
Non-experimental Drug Use
Lifetime	75	27.8%	25	35.7%	45	23.4%	(1, 262)	3.9
Past 1yr	66	24.4%	24	34.4%	39	20.3%	(1, 262)	5.5

PTE=Potentially Traumatic Events.

^**denotes p<.001;

^*denotes p<.01.

⁺12 participants (5.1%) did not report their race/ethnicity.