| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1139 |
89.3%
|
| 2 | I have not stopped smoking | 30 |
2.4%
|
| 3 | 1-3 months | 48 |
3.8%
|
| 4 | 4-11 months | 8 |
0.6%
|
| 5 | One year | 17 |
1.3%
|
| 6 | 2 years | 13 |
1%
|
| 7 | 3 years or longer | 21 |
1.6%
|
| Sysmiss | 8 |