| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2500 |
68.8%
|
| 2 | 0 times | 500 |
13.8%
|
| 3 | 1-3 times | 389 |
10.7%
|
| 4 | 4 times or more | 244 |
6.7%
|
| Sysmiss | 138 |