| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3490 |
68.3%
|
| 2 | I did not smoke during the past year | 908 |
17.8%
|
| 3 | None | 209 |
4.1%
|
| 4 | Once | 184 |
3.6%
|
| 5 | Twice or more often | 316 |
6.2%
|
| Sysmiss | 91 |