| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3412 |
82.8%
|
| 2 | I have not smoked during the past year | 301 |
7.3%
|
| 3 | Yes | 234 |
5.7%
|
| 4 | No | 176 |
4.3%
|
| Sysmiss | 73 |