| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 7653 |
92.8%
|
| 2 | I have not stopped smoking | 90 |
1.1%
|
| 3 | 1-3 months | 183 |
2.2%
|
| 4 | 4-11 months | 60 |
0.7%
|
| 5 | One year | 52 |
0.6%
|
| 6 | 2 years | 29 |
0.4%
|
| 7 | 3 years or longer | 179 |
2.2%
|
| Sysmiss | 279 |