| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2711 |
76%
|
| 2 | I did not smoke during the past 12 months | 367 |
10.3%
|
| 3 | Yes | 207 |
5.8%
|
| 4 | No | 281 |
7.9%
|
| Sysmiss | 174 |