| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3162 |
67.6%
|
| 2 | I have not stopped smoking | 402 |
8.6%
|
| 3 | 1-3 months | 232 |
5%
|
| 4 | 4-11 months | 178 |
3.8%
|
| 5 | One year | 139 |
3%
|
| 6 | 2 years | 139 |
3%
|
| 7 | 3 years or longer | 95 |
2%
|
| 8 | 332 |
7.1%
|
|
| Sysmiss | 24 |