| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 980 |
74.1%
|
| 2 | I did not quit smoking | 84 |
6.3%
|
| 3 | 1-3 months | 66 |
5%
|
| 4 | 4-11 months | 44 |
3.3%
|
| 5 | One year | 45 |
3.4%
|
| 6 | 2 years | 33 |
2.5%
|
| 7 | 3 years or longer | 71 |
5.4%
|
| Sysmiss | 15 |