| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2591 |
77.3%
|
| 2 | An ex-smoker | 513 |
15.3%
|
| 3 | An occasional smoker | 121 |
3.6%
|
| 4 | A frequent smoker | 80 |
2.4%
|
| 5 | A daily smoker | 49 |
1.5%
|
| Sysmiss | 74 |