. Author manuscript; available in PMC: 2016 Jan 1.

Published in final edited form as: Psychiatr Serv. 2014 Nov 17;66(1):72–79. doi: 10.1176/appi.ps.201300414

Table 1.

Baseline characteristics of participants with substance dependence and co-occurring disorders by mental disorder diagnosis and treatment condition

	Depression subgroup				PTSD subgroup
	Control (n=224)		Intervention (n=219)		Control (n=105)		Intervention (n=100)
Characteristic	N	%	N	%	N	%	N	%
Substance dependence type
Alcohol only	30	13	16	7	10	10	7	7
Other drug only	53	24	56	26	22	21	23	23
Both	141	63	147	67	73	69	70	70
Sex
Male	167	75	156	71	82^a	78^a	65^a	65^a
Age (M±SD)	37.9±10.6		38.0±10.1		38.6±10.4		38.4±10.0
Race
White	109	49	108	49	42^a	40^a	42^a	42^a
Black	61	27	61	29	36^a	34^a	30^a	30^a
Hispanic	40	18	25	11	24^a	23^a	12^a	12^a
Other	14	6	25	11	3^a	3^a	16^a	16^a
Homeless (1 or more nights in past 3 months)	138	62	126	57	71	68	62	62
Lifetime incarceration	175	78	174	79	84	80	80	80
Patient Health Questionnaire score (M±SD) ^b	18.7±4.8^a		17.7±5.6^a		19.3±5.4		19.1±4.6
Beck Anxiety Inventory score (M±SD) ^c	30.6±13.7		29.0±14.1		33.8±12.8		34.3±13.4
Addiction Severity Index - alcohol score (M±SD)^d	.5±.4		.5±.3		.5±.3		.5±.3
Addiction Severity Index - drug score (M±SD)^e	.3±.2		.3±.2		.3±.1		.3±.2
Short Inventory of Problems - alcohol score (M±SD)^f	21.5±15.9		20.6±15.6		22.9±16.4		22.8±15.5
Short Inventory of Problems - drug score (M±SD)^g	30.2±13.6		30.8±12.5		32.2±12.4		31.2±13.2
Outpatient substance abuse treatment^h in past 3 months
No	167	75	181	83	76	72	78	78
Ever injected drugs
Yes	133	60	135	63	61	58	59	60

p<.05 (intervention vs. treatment as usual within depression or PTSD subgroups)

Possible scores range from 0 to 27, with higher scores indicating greater depression severity.

Possible scores range from 0 to 63, with higher scores indicating greater anxiety severity.

Possible scores range from 0 to 1, with higher scores indicating greater alcohol-related addiction severity.

Possible scores range from 0 to 1, with higher scores indicating greater drug-related addiction severity.

Possible scores range from 0 to 48, with higher scores indicating greater alcohol-related problems.

Possible scores range from 0 to 48, with higher scores indicating greater drug-related problems.

Any treatment, including counseling, therapy, or detox for alcohol or other drug problems (not including 12-step programs)

SD: standard deviation