| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 917 |
74.2%
|
| 2 | Did not smoke cigarettes | 95 |
7.7%
|
| 3 | Yes | 140 |
11.3%
|
| 4 | No | 84 |
6.8%
|
| Sysmiss | 38 |