| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2431 |
57.8%
|
| 2 | I have not stopped smoking | 525 |
12.5%
|
| 3 | 1-3 months | 442 |
10.5%
|
| 4 | 4-11 months | 216 |
5.1%
|
| 5 | One year | 239 |
5.7%
|
| 6 | 2 years | 147 |
3.5%
|
| 7 | 3 years or longer | 204 |
4.9%
|
| Sysmiss | 10 |