| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1280 |
84.2%
|
| 2 | I have not stopped smoking | 60 |
3.9%
|
| 3 | 1-3 months | 54 |
3.6%
|
| 4 | 4-11 months | 49 |
3.2%
|
| 5 | One year | 19 |
1.3%
|
| 6 | 2 years | 12 |
0.8%
|
| 7 | 3 years or longer | 46 |
3%
|
| Sysmiss | 16 |