| Substance | Age (years) | Statistics test | ||
|
| 22 - 35 | >35 | X2 | P. Value |
| Tobacco | n (%) | n (%) |
|
|
| Users | 53 (20.0) | 23 (17.8) |
|
|
| Non users | 212 (80.0) | 106 (82.2) | 0.26 | 0.36 |
| Stimulant |
|
|
|
|
| Users | 34 (12.8) | 13 (10.1) |
|
|
| Non users | 231 (87.2) | 116 (89.9) | 0.63 | 0.27 |
| Cannabis |
|
|
|
|
| Users | 7 (2.6) | 8 (6.2) |
|
|
| Non users | 258 (97.4) | 121 (93.8) | 3.0 | 0.08 |
| Inhalants |
|
|
|
|
| Users | 5 (1.9) | 3 (2.3) |
|
|
| Non users | 260 (98.1) | 126 (97.7) | 0.08 | 0.52 |
| Opiates |
|
|
|
|
| Users | 5 (1.9) | - |
|
|
| Non users | 260 (98.1) | 129 (100) | 2.47 | 0.14 |