| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1550 |
56.2%
|
| 2 | I did not smoke during the past 12 months | 389 |
14.1%
|
| 3 | Yes | 482 |
17.5%
|
| 4 | No | 338 |
12.3%
|
| Sysmiss | 19 |