| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1659 |
86%
|
| 2 | I no longer smoke | 169 |
8.8%
|
| 3 | No, I smoke but I never mix tobacco with other drugs | 58 |
3%
|
| 4 | Yes, but only once or twice | 29 |
1.5%
|
| 5 | Yes, I have mixed tobacco with other drugs more than twice | 15 |
0.8%
|
| Sysmiss | 49 |