TABLE 1.

Demographic characteristics of TRQ1 and TRQ2 patient sample.

	TRQ1		TRQ2
	N (183)	%	N (194)	%
Age (mean±SD)	46.07	6.8	36.2	10.2
Sex:
Male	175	95.6%	109	56.1%
Female	8	4.3%	85	43.9%
Ethnicity:
African American	102	55.4%	64	33.0%
Caucasian	75	40.3%	112	57.8%
Hispanic	3	1.6%	15	7.7%
Other	3	1.6%	3	1.5%
Education (years):
Less than high school	9	5.0%	62	32.0%
High school graduate/GED	117	64.0%	68	35.1%
Some college	42	23.0%	53	27.3%
College graduate	15	8.0%	11	5.6%
Primary Substance Use Disorder:
Alcohol abuse/dependence	82	44.6%	49	25.3%
Cocaine abuse/dependence	70	38.2%	64	32.5%
Opioid dependence	8	4.3%	25	12.9%
Amphetamine dependence	3	1.6%	30	15.5%
Tetrahydrocannibinol (THC)			23	11.9%
Polysubstance dependence	15	8.10%
Other	6	3.2%	3	1.5%
Co-occurring Non-Substance Use Mental Disorders:	81	44.1%
Depression	39	21.2%
Bipolar	16	8.6%
PTSD	17	9.2%
Schizophrenia/Schizoaffective	4	2.1%
Other disorders	5	2.7%
Co-occurring Impulse Control Disorder:
ADHD			28	14.4%
Gambling			21	10.8%
Obsessive Compulsive Disorder (OCD)			14	7.7%
None			141	72.7%