| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2818 |
82.2%
|
| 2 | I did not smoke during the past year | 299 |
8.7%
|
| 3 | Yes | 213 |
6.2%
|
| 4 | No | 97 |
2.8%
|
| Sysmiss | 116 |