| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1916 |
90.2%
|
| 2 | I didn't smoke in the past year. | 120 |
5.7%
|
| 3 | Not once. | 17 |
0.8%
|
| 4 | Once. | 27 |
1.3%
|
| 5 | Twice or more often. | 43 |
2%
|
| Sysmiss | 10 |