| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1633 |
64.6%
|
| 2 | I no longer smoke cigarettes | 414 |
16.4%
|
| 3 | No, I smoke cigarettes but I have never mixed them with other drugs | 429 |
17%
|
| 4 | Yes, I have mixed but only once or twice | 29 |
1.1%
|
| 5 | Yes, I have mixed cigarettes with other drugs more than twice | 22 |
0.9%
|
| Sysmiss | 13 |