| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2522 |
58.4%
|
| 2 | I have not stopped smoking | 413 |
9.6%
|
| 3 | 1-3 months | 547 |
12.7%
|
| 4 | 4-11 months | 187 |
4.3%
|
| 5 | One year | 252 |
5.8%
|
| 6 | 2 years | 161 |
3.7%
|
| 7 | 3 years or longer | 237 |
5.5%
|
| Sysmiss | 7 |