| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 822 |
70.7%
|
| 2 | Did not smoke cigarettes | 159 |
13.7%
|
| 3 | Yes | 90 |
7.7%
|
| 4 | No | 92 |
7.9%
|
| Sysmiss | 170 |