| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1443 |
79%
|
| 2 | An ex-smoker | 221 |
12.1%
|
| 3 | An occasional smoker | 106 |
5.8%
|
| 4 | A frequent smoker | 31 |
1.7%
|
| 5 | A daily smoker | 25 |
1.4%
|
| Sysmiss | 4 |