| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3105 |
83.2%
|
| 2 | I have not stopped smoking | 141 |
3.8%
|
| 3 | 1-3 months | 159 |
4.3%
|
| 4 | 4-11 months | 73 |
2%
|
| 5 | One year | 68 |
1.8%
|
| 6 | 2 years | 62 |
1.7%
|
| 7 | 3 years or longer | 122 |
3.3%
|
| Sysmiss | 37 |