| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1163 |
63.3%
|
| 2 | I am an ex-smoker | 293 |
15.9%
|
| 3 | I am an occasional smoker | 340 |
18.5%
|
| 4 | I smoke frequently | 30 |
1.6%
|
| 5 | I smoke daily | 11 |
0.6%
|
| Sysmiss | 20 |