| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 813 |
75.2%
|
| 2 | I no longer smoke | 165 |
15.3%
|
| 3 | I smoke, but I never mix cigarettes with other drugs | 95 |
8.8%
|
| 4 | Yes, but only once or twice | 4 |
0.4%
|
| 5 | Yes, I have combined cigarettes with other drugs more than twice | 4 |
0.4%
|
| Sysmiss | 10 |