| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2514 |
73.3%
|
| 2 | I have not stopped smoking | 254 |
7.4%
|
| 3 | 1-3 months | 243 |
7.1%
|
| 4 | 4-11 months | 82 |
2.4%
|
| 5 | One year | 115 |
3.4%
|
| 6 | 2 years | 88 |
2.6%
|
| 7 | 3 years or longer | 134 |
3.9%
|
| Sysmiss | 13 |