| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1075 |
56.5%
|
| 2 | I am an ex-smoker | 374 |
19.7%
|
| 3 | I am an occasional smoker | 387 |
20.3%
|
| 4 | I smoke frequently | 51 |
2.7%
|
| 5 | I smoke daily | 15 |
0.8%
|
| Sysmiss | 21 |