| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1072 |
56.8%
|
| 2 | I no longer smoke cigarettes | 488 |
25.8%
|
| 3 | No, I smoke cigarettes but I have never mixed them with other drugs | 270 |
14.3%
|
| 4 | Yes, I have mixed but only once or twice | 36 |
1.9%
|
| 5 | Yes, I have mixed cigarettes with other drugs more than twice | 22 |
1.2%
|
| Sysmiss | 4 |