| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 2225 |
69.3%
|
| 2 | I did not smoke during the past 12 months | 358 |
11.2%
|
| 3 | Yes | 352 |
11%
|
| 4 | No | 274 |
8.5%
|
| Sysmiss | 41 |