| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 835 |
52.4%
|
| 2 | I no longer smoke cigarettes | 433 |
27.1%
|
| 3 | No, I smoke cigarettes but I have never mixed them with other drugs | 278 |
17.4%
|
| 4 | Yes, I have mixed but only once or twice | 31 |
1.9%
|
| 5 | Yes, I have mixed cigarettes with other drugs more than twice | 18 |
1.1%
|
| Sysmiss | 28 |