| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1545 |
43.3%
|
| 2 | I am an ex-smoker | 993 |
27.9%
|
| 3 | Occasional smoker | 828 |
23.2%
|
| 4 | Frequent smoker | 114 |
3.2%
|
| 5 | Daily smoker | 85 |
2.4%
|
| Sysmiss | 34 |