| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2792 |
61.3%
|
| 2 | I no longer smoke cigarettes | 1043 |
22.9%
|
| 3 | No, I smoke, but I never mix tobacco with other drugs | 550 |
12.1%
|
| 4 | Yes, but only once or twice | 102 |
2.2%
|
| 5 | Yes, I have mixed tobacco with other drugs more than twice | 65 |
1.4%
|
| Sysmiss | 71 |