| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 477 |
73.6%
|
| 2 | I have not stopped smoking | 64 |
9.9%
|
| 3 | 1-3 months | 45 |
6.9%
|
| 4 | 4-11 months | 20 |
3.1%
|
| 5 | One year | 14 |
2.2%
|
| 6 | 2 years | 13 |
2%
|
| 7 | 3 years or longer | 15 |
2.3%
|
| Sysmiss | 34 |