| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1211 |
71.2%
|
| 2 | I no longer smoke | 311 |
18.3%
|
| 3 | No, I smoke, but I never mix tobacco with other drugs | 92 |
5.4%
|
| 4 | Yes, but only once or twice | 41 |
2.4%
|
| 5 | Yes, I have mixed tobacco with only drugs more than twice | 46 |
2.7%
|
| Sysmiss | 36 |