| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1213 |
75%
|
| 2 | I no longer smoke | 154 |
9.5%
|
| 3 | No, I smoke, but I never mix tobacco with other drugs | 184 |
11.4%
|
| 4 | Yes, but only once or twice | 53 |
3.3%
|
| 5 | Yes, I have mixed tobacco with other drugs more than twice | 13 |
0.8%
|
| Sysmiss | 12 |