| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 571 |
54.8%
|
| 2 | I have not stopped smoking | 107 |
10.3%
|
| 3 | 1-3 months | 123 |
11.8%
|
| 4 | 4-11 months | 47 |
4.5%
|
| 5 | One year | 44 |
4.2%
|
| 6 | 2 years | 32 |
3.1%
|
| 7 | 3 years or longer | 118 |
11.3%
|
| Sysmiss | 15 |