| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1424 |
69.3%
|
| 2 | I have not stopped smoking | 362 |
17.6%
|
| 3 | Less than 4 months | 103 |
5%
|
| 4 | 4-11 months | 25 |
1.2%
|
| 5 | One year | 33 |
1.6%
|
| 6 | 2 years | 64 |
3.1%
|
| 7 | 3 years or longer | 44 |
2.1%
|
| Sysmiss | 25 |