| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1350 |
71.6%
|
| 2 | I have not stopped smoking | 153 |
8.1%
|
| 3 | 1-3 months | 185 |
9.8%
|
| 4 | 4-11 months | 46 |
2.4%
|
| 5 | One year | 62 |
3.3%
|
| 6 | 2 years | 25 |
1.3%
|
| 7 | 3 years or longer | 64 |
3.4%
|
| Sysmiss | 22 |