| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1532 |
75.9%
|
| 2 | An ex-smoker | 240 |
11.9%
|
| 3 | An occasional smoker | 157 |
7.8%
|
| 4 | A frequent smoker | 47 |
2.3%
|
| 5 | A daily smoker | 43 |
2.1%
|
| Sysmiss | 7 |