| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 627 |
60.9%
|
| 2 | I no longer smoke cigarettes | 242 |
23.5%
|
| 3 | No, I smoke cigarettes but I have never mixed them with other drugs | 145 |
14.1%
|
| 4 | Yes, I have mixed but only once or twice | 12 |
1.2%
|
| 5 | Yes, I have mixed cigarettes with other drugs more than twice | 3 |
0.3%
|
| Sysmiss | 19 |