Table 2.
Estimated Prevalence of Mental Health and Substance Use Disorders.
| DSM-5 Disorder Grouping | Meta-analysis Prevalence Estimate (Cases/100) | ||
|---|---|---|---|
| Prevalence (%) | 95% CI | ||
| Depressive disorders | |||
| Major depressive disorder only | 5.8 | 4.9% | 6.7% |
| Canadian estimates | 4.1 | 3.8% | 4.4% |
| Depressive disorders | 6.4 | 5.2% | 7.8% |
| Dysthymia | 0.8 | 0.4% | 1.3% |
| Anxiety disorders | |||
| Any anxiety | 9.8 | 6.6% | 13.6% |
| Canadian estimates | 6.9 | 3.5% | 11.4% |
| Any anxiety less OCD/PTSD | 7.9 | 5.0% | 11.3% |
| By type | |||
| Panic | 1.7 | 1.3% | 2.2% |
| Agoraphobia | 1.1 | 0.7% | 1.6% |
| Social | 4.4 | 3.4% | 5.7% |
| Specific | 6.4 | 4.6% | 8.5% |
| Generalized anxiety disorder | 2.3 | 1.9% | 2.8% |
| Separation anxiety disorder | 1.3 | 0.8% | 1.9% |
| Alcohol-related disorders | |||
| Alcohol Use Disorder | 5.4 | 3.3% | 8.0% |
| Opioid-related disorders | |||
| Prescription opioid use disorder | 0.9 | 0.8% | 1.0% |
| Cannabis-related disorders | |||
| Cannabis use disorder | 1.6 | 1.3% | 2.1% |
| Attention deficit hyperactivity disorders | |||
| Attention deficit hyperactivity disorder | 3.6 | 3.0% | 4.3% |
| Bipolar and related disorders | |||
| Bipolar I | 0.59 | 0.43% | 0.78% |
| Bipolar II | 0.69 | 0.42% | 1.0% |
| Bipolar I and II | 0.93 | 0.60% | 1.3% |
| Schizophrenia spectrum and other psychotic disorders | |||
| Schizophrenia | 0.36 | 0.17% | 0.62% |
| Schizophrenia spectrum disorders | 0.55 | 0.38% | 0.74% |
| Feeding and eating disorders | |||
| Anorexia and bulimia nervosa | 0.33 | 0.22% | 0.46% |
| Intellectual disabilities | |||
| Intellectual disabilities | 0.60 | 0.42% | 0.81% |
Note. DSM = Diagnostic and Statistical Manual of Mental Disorders; OCD = obsessive-compulsive disorder; PTSD = post-traumatic stress disorder.