| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1380 |
77.5%
|
| 2 | I no longer smoke | 251 |
14.1%
|
| 3 | No, I smoke, but I never mix tobacco with other drugs | 73 |
4.1%
|
| 4 | Yes, but only once or twice | 48 |
2.7%
|
| 5 | Yes, I mixed tobacco with other drugs more than twice | 28 |
1.6%
|
| Sysmiss | 15 |