Table 1. Prevalence of substance dependence (bottom row), mental health disorder (far-right column), and substance dependence/mental health disorder comorbidity (centre) for all disorders affecting at least 10% of the total sample.
| Baseline diagnoses (in descending order of prevalence) |
Stimulant dependence |
Alcohol dependence |
Cocaine dependence |
Cannabis Dependence |
Opioid dependence |
Hallucinogen/PCP dependence |
Sedatives (non-opioid) dependence |
Total prevalence |
|---|---|---|---|---|---|---|---|---|
| Depressive disordersa | 37 (39%) | 34 (42%) | 25 (34%) | 26 (48%) | 10 (36%) | 5 (31%) | 6 (46%) | 51/130 (39%) |
| ASPD | 33 (34%) | 30 (37%) | 30 (41%) | 25 (46%)* | 7 (25%) | 8 (50%) | 5 (39%) | 45/130 (35%) |
| PTSD | 29 (30%) | 29 (35%) | 24 (32%) | 14 (26%) | 6 (21%) | 3 (19%) | 3 (23%) | 41/130 (32%) |
| Specific phobia | 21 (22%) | 18 (22%) | 19 (26%) | 16 (30%) | 4 (15%) | 4 (25%) | 2 (15%) | 29/129 (23%) |
| Psychotic disordersb | 24 (25%) | 21 (26%) | 19 (26%) | 13 (24%) | 6 (21%) | 5 (31%) | 0 (0%)* | 29/130 (22%) |
| Anxiety disordersc | 19 (20%) | 17 (21%) | 15 (20%) | 13 (24%) | 2 (7%) | 4 (25%) | 1 (8%) | 27/130 (21%) |
| OCD | 18 (19%) | 19 (23%)* | 13 (18%) | 13 (24%) | 4 (14%) | 2 (13%) | 1 (8%) | 23/130 (18%) |
| Agoraphobia | 12 (13%) | 15 (18%)* | 13 (18%) | 10 (19%) | 3 (11%) | 2 (13%) | 1 (8%) | 17/130 (13%) |
| Panic disorder | 14 (15%) | 10 (12%) | 10 (14%) | 1 (11%) | 3 (11%) | 4 (25%) | 0 (0%) | 17/130 (13%) |
| Body-related disordersd | 12 (13%) | 11 (13%) | 11 (15%) | 8 (15%) | 6 (21%) | 3 (19%) | 1 (8%) | 17/130 (13%) |
| Social phobia | 10 (11%) | 11 (13%) | 13 (18%)* | 4 (7%) | 2 (7%) | 3 (19%) | 1 (8%) | 16/129 (12%) |
| Schizotypal disorderse | 12 (13%) | 6 (7%) | 9 (12%) | 3 (6%) | 2 (7%) | 2 (13%) | 2 (15%) | 13/130 (10%) |
| Bipolar I | 10 (11%) | 8 (10%) | 9 (12%) | 7 (13%) | 3 (11%) | 1 (7%) | 0 (0%) | 13/129 (10%) |
|
| ||||||||
| Total prevalence | 96/131 (73%) | 82/130 (63%) | 74/130 (57%) | 54/130 (42%) | 28/130 (22%) | 16/129 (12%) | 13/129 (10%) | N = 131 |
a
Includes: major depressive disorder, non-specific depressive disorder.
b
Includes: brief psychotic disorder, psychotic disorder due to general medical condition, substance-induced psychotic disorder, non-specific psychotic disorder.
c
Includes: general anxiety disorder, anxiety disorder due to general medical condition, substance-induced anxiety disorder, non-specific anxiety disorder.
d
Includes: body dysmorphic disorder, anorexia nervosa, bulimia nervosa.
e
Includes: schizophrenia, szhizophreniform disorder, schizoaffective disorder.
*
P ≤ 0.05
ASPD, antisocial personality disorder; OCD, obsessive-compulsive disorder; PCP, phencyclidine; PTSD, post-traumatic stress disorder.