| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1834 |
62.5%
|
| 2 | I have not stopped smoking | 453 |
15.4%
|
| 3 | 1-3 months | 226 |
7.7%
|
| 4 | 4-11 months | 152 |
5.2%
|
| 5 | One year | 99 |
3.4%
|
| 6 | 2 years | 71 |
2.4%
|
| 7 | 3 years or longer | 100 |
3.4%
|
| Sysmiss | 40 |