| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 607 |
95.9%
|
| 2 | I have not stopped smoking | 4 |
0.6%
|
| 3 | 1-3 months | 13 |
2.1%
|
| 4 | 4-11 months | 2 |
0.3%
|
| 5 | One year | 1 |
0.2%
|
| 6 | 2 years | 0 |
0%
|
| 7 | 3 years or longer | 6 |
0.9%
|
| Sysmiss | 4 |