| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1287 |
87.6%
|
| 2 | I have not stopped smoking | 57 |
3.9%
|
| 3 | 1-3 months | 48 |
3.3%
|
| 4 | 4-11 months | 18 |
1.2%
|
| 5 | One year | 16 |
1.1%
|
| 6 | 2 years | 9 |
0.6%
|
| 7 | 3 years or longer | 35 |
2.4%
|
| Sysmiss | 28 |