| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2733 |
59.1%
|
| 2 | I have not stopped smoking | 491 |
10.6%
|
| 3 | 1-3 months | 230 |
5%
|
| 4 | 4-11 months | 331 |
7.2%
|
| 5 | One year | 324 |
7%
|
| 6 | 2 years | 228 |
4.9%
|
| 7 | 3 years or longer | 102 |
2.2%
|
| 8 | 187 |
4%
|
|
| Sysmiss | 101 |