| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1995 |
58.7%
|
| 2 | I did not smoke during the past 12 months | 676 |
19.9%
|
| 3 | Yes | 483 |
14.2%
|
| 4 | No | 246 |
7.2%
|
| Sysmiss | 74 |