Table 2.
Psychoactive substance used by the study subjects.
| Psychoactive substance | Number | Percentage |
|---|---|---|
| Heroin | 472 | 63.0 |
| Opium | 26 | 3.5 |
| Other opiates | 11 | 1.5 |
| Alcohol | 180 | 24.0 |
| Cannabis | 29 | 3.9 |
| Tobacco | 28 | 3.7 |
| Inhalants | 2 | 0.3 |
| Over-the-counter drugs | 1 | 0.1 |
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