| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 904 |
49.3%
|
| 2 | I have not stopped smoking | 337 |
18.4%
|
| 3 | 1-3 months | 222 |
12.1%
|
| 4 | 4-11 months | 101 |
5.5%
|
| 5 | One year | 67 |
3.7%
|
| 6 | 2 years | 64 |
3.5%
|
| 7 | 3 years or longer | 140 |
7.6%
|
| Sysmiss | 18 |