Table 3. Clinical characteristics of college students with PTSD in Northeastern Brazil.

Clinical Variables		Total N (%)	Without PTSD N (%)	With PTSD N (%)
PTSD		2213 (100)	1903 (86)	310 (14)
Attempted Suicide		167 (7.6)	102 (5.4)	65 (21.1)
Alcohol Use	Sporadic use	999 (50)	849 (49.2)	150 (55.4)
	Weekly use	282 (14.2)	241 (14.1)	41 (15.1)
	Daily use	9 (0.5)	8 (0.5)	1 (0.4)
Cigarette Use	Sporadic use	175 (8)	143 (7.6)	32 (10.6)
	Weekly use	28 (1.3)	22 (1.2)	6 (2)
	Daily use	47 (2.2)	35 (1.9)	12 (4)
Marijuana Use	Sporadic use	93 (4.2)	76 (4)	17 (5.5)
	Weekly use	9 (0.4)	9 (0.5)	0 (0)
	Daily use	10 (0.5)	7 (0.4)	3 (1)
Ecstasy Use	Sporadic use	29 (1.3)	25 (1.3)	4 (1.3)
	Weekly use	0 (0)	0 (0)	0 (0)
	Daily use	1 (0)	1 (0.1)	0 (0)
Cocaine Use	Sporadic use	41 (1.9)	32 (1.7)	9 (2.9)
	Weekly use	5 (0.2)	4 (0.2)	1 (0.3)
	Daily use	2 (0.1)	2 (0.1)	0 (0)
Crack Use	Sporadic use	2 (0.1)	2 (0.1)	0 (0)
	Weekly use	0 (0)	0 (0)	0 (0)
	Daily use	1 (0)	1 (0.1)	0 (0)
Condom non-use	(non-stable partners)	363 (16.7)	283 (15.1)	80 (26.1)
BIS 11	Less impulsive	722 (32.6)	661 (34.7)	61 (19.7)
	Averagely impulsive	704 (31.8)	629 (33.1)	75 (24.2)
	More impulsive	787 (35.6)	613 (32.2)	174 (56.1)

PTSD: Posttraumatic Stress Disorder.