| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1840 |
87%
|
| 2 | I have not stopped smoking | 70 |
3.3%
|
| 3 | 1-3 months | 60 |
2.8%
|
| 4 | 4-11 months | 37 |
1.8%
|
| 5 | One year | 39 |
1.8%
|
| 6 | 2 years | 33 |
1.6%
|
| 7 | 3 years or longer | 35 |
1.7%
|
| Sysmiss | 18 |