| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1626 |
82.4%
|
| 2 | I no longer smoke cigarettes | 266 |
13.5%
|
| 3 | No, I smoke, but I never mix with other drugs | 68 |
3.4%
|
| 4 | Yes, but only once | 5 |
0.3%
|
| 5 | Yes, I mixed with other drugs more than twice | 8 |
0.4%
|
| Sysmiss | 88 |