The effectiveness of integrated treatment in patients with substance use disorders co-occurring with anxiety and/or depression - a group randomized trial

Table 1 Baseline demographics – intention to treat analyses

	Intervention group^a	Control group^a	Statistic (p-value)^b
	N = 55	N = 21
Background variables
Age	32.3 (1.39)	42.2 (3.08)	−2.93 (0.007)
No. of children below 18 years	0.0	0.0	z: -0.366 (0.715)
Gender (male)	28 (50.9)	12 (57.1)	0.24 (0.626)
In relationship (yes)¹	18 (32.7)	8 (38.1)	0.20 (0.659)
Living alone (yes)	20 (37.0)	10 (47.6)	0.71 (0.401)
Nationality (Norwegian)²	53 (96.4)	20 (95.2)	0.05 (1.000)^c
Having children in pat.’s care	14 (25.5)	4 (19.0)	0.35 (0.764)^c
Has his/her own apartment³	44 (80.0)	19 (90.5)	1.18 (0.496)^c
Has paid work⁴	27 (49.1)	10 (47.6)	0.01 (0.909)
Compulsory school only⁵	16 (29.1)	2 (9.5)	3.22 (0.129)^c
Compulsory school only or senior high school⁵	46 (83.6)	16 (76.2)	0.56 (0.514)^c
Diagnoses
Alcohol use disorder	43 (78.2)	17 (81.0)	0.07 (0.791)
Drug use disorder	23 (41.8)	7 (33.3)	0.46 (0.499)
Mood disorder	41 (74.5)	16 (76.2)	0.02 (0,882)
Anxiety disorder	46 (83.6)	16 (76.2)	0.56 (0.514)^c
Personality disorder	30 (54.5)	10 (47.6)	0.29 (0.589)
Other mental disorders	3 (5.5)	4 (19.0)	3.36 (0.087)^c

The baseline demographics and clinical characteristics between groups in the Intention to Treat analyses.
^a“Age” is presented as mean (SD) and “no. of children below 18 years” is presented as median. All other variables are presented as n (%). Valid percentages are given.
^bThe student’s T-test is used for “age” and the Mann-Whitney-U-test is used for “no. of children below 18 years”. For all other variables the χ²-test is used.
^cWhere one or more cells have an expected count less than five the 2 sided Fisher’s Exact test is used.
¹“In relationship” = married or cohabitant. Not in relationship = unmarried, widow (er), separated or divorced.
²“Non-Norwegian” = Afghan, Swedish or German.
³“Not having his/her own apartment” = living with parents or friends.
⁴“No paid work” = being provided for, student loan, unemployment benefit, sickness or rehabilitation allowance, disability pension, retirement pension, National Assistance, other.
⁵“Education”: Compulsory school (primary and secondary school), Senior high school (upper secondary school), Higher education (college or university).