| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2602 |
76.8%
|
| 2 | I no longer smoke | 306 |
9%
|
| 3 | No, I smoke but I never mix tobacco with other drugs | 311 |
9.2%
|
| 4 | Yes, but only once or twice | 83 |
2.4%
|
| 5 | Yes, I have mixed tobacco with other drugs more than twice | 86 |
2.5%
|
| Sysmiss | 38 |