| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 6381 |
71.8%
|
| 2 | I have not stopped smoking | 777 |
8.7%
|
| 3 | 1-3 months | 775 |
8.7%
|
| 4 | 4-11 months | 241 |
2.7%
|
| 5 | One year | 242 |
2.7%
|
| 6 | 2 years | 143 |
1.6%
|
| 7 | 3 years or longer | 334 |
3.8%
|
| Sysmiss | 42 |