| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1197 |
64.6%
|
| 2 | I no longer smoke cigarettes | 355 |
19.1%
|
| 3 | No, I smoke cigarettes but I have never mixed them with other drugs | 259 |
14%
|
| 4 | Yes, I have mixed but only once or twice | 33 |
1.8%
|
| 5 | Yes, I have mixed cigarettes with other drugs more than twice | 10 |
0.5%
|
| Sysmiss | 3 |