| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 951 |
73.7%
|
| 2 | I did not smoke during the past 12 months | 169 |
13.1%
|
| 3 | Yes | 91 |
7.1%
|
| 4 | No | 79 |
6.1%
|
| Sysmiss | 2 |