| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 823 |
70.2%
|
| 2 | Did not smoke cigarettes | 147 |
12.5%
|
| 3 | Yes | 169 |
14.4%
|
| 4 | No | 34 |
2.9%
|
| Sysmiss | 61 |