| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1572 |
44.2%
|
| 2 | I have not stopped smoking | 469 |
13.2%
|
| 3 | 1-3 months | 619 |
17.4%
|
| 4 | 4-11 months | 284 |
8%
|
| 5 | One year | 225 |
6.3%
|
| 6 | 2 years | 126 |
3.5%
|
| 7 | 3 years or longer | 258 |
7.3%
|
| Sysmiss | 46 |