| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1051 |
55.1%
|
| 2 | I no longer smoke cigarettes | 507 |
26.6%
|
| 3 | No, I smoke cigarettes but I have never mixed them with other drugs | 279 |
14.6%
|
| 4 | Yes, I have mixed but only once or twice | 49 |
2.6%
|
| 5 | Yes, I have mixed cigarettes with other drugs more than twice | 22 |
1.2%
|
| Sysmiss | 15 |