Table 1.

Descriptive data of the study variables by gender.

Variable	% / Mean (SD)
	All (N=189)	Males (n=127)	Females (n=62)
Current Bipolar I Disorder	3.20%	1.60%	6.50%
Current Psychotic Symptoms	5.30%	5.50%	4.80%
Current Obsessive-Compulsive Disorder	0.50%	0.00%	1.60%
Current Posttraumatic Stress Disorder	6.90%	4.70%	11.30%
Current Panic Disorder*	2.10%	0.00%	6.50%
Current Social Phobia	4.20%	4.70%	3.20%
Current Generalized Anxiety Disorder	10.10%	7.90%	14.50%
Current Alcohol Dependence	32.30%	29.90%	37.10%
Current Sedative Dependence	1.10%	0.00%	3.20%
Current Cannabis Dependence	11.60%	15.00%	4.80%
Current Stimulant Dependence	0.00%	0.00%	0.00%
Current Opioid Dependence	10.60%	10.20%	11.30%
Current Cocaine Dependence**	32.30%	24.40%	48.40%
Current Hallucinogen Dependence*	13.80%	9.40%	22.60%
Current Borderline Personality Disorder*	8.50%	4.70%	16.10%
Current Antisocial Personality Disorder	31.20%	34.60%	24.20%
PASAT-C quit	21.20%	18.10%	27.40%
BDI Depressive Symptoms	10.35	9.52	12.06
	(SD = 10.16)	(SD = 9.92)	(SD = 10.50)
BAI Anxiety Symptoms*	9.17	7.92	11.73
	(SD = 12.14)	(SD = 11.47)	(SD = 13.14)
Eysenck Impulsivity*	9.37	9.86	8.35
	(SD = 4.39)	(SD = 4.47)	(SD = 4.08)
SIP Total Score	23.72	22.88	25.45
	(SD = 13.77)	(SD = 14.00)	(SD = 13.23)

^*p < .05,

^**p < .01