| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1735 |
89.2%
|
| 2 | I have not stopped smoking | 73 |
3.8%
|
| 3 | 1-3 months | 67 |
3.4%
|
| 4 | 4-11 months | 9 |
0.5%
|
| 5 | One year | 16 |
0.8%
|
| 6 | 2 years | 15 |
0.8%
|
| 7 | 3 years or longer | 29 |
1.5%
|
| Sysmiss | 62 |