| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3502 |
87.6%
|
| 2 | I do not smoke now | 322 |
8.1%
|
| 3 | No, I smoke but I never mix tobacco with other drugs | 138 |
3.5%
|
| 4 | Yes, but only once | 6 |
0.2%
|
| 5 | Yes, I have mixed tobacco with other drugs on multiple occasions | 31 |
0.8%
|
| Sysmiss | 72 |