| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1735 |
79.1%
|
| 2 | An ex-smoker | 227 |
10.3%
|
| 3 | An occasional smoker | 161 |
7.3%
|
| 4 | A frequent smoker | 35 |
1.6%
|
| 5 | A daily smoker | 36 |
1.6%
|
| Sysmiss | 18 |