| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1843 |
94.7%
|
| 2 | I have not stopped smoking | 32 |
1.6%
|
| 3 | 1-3 months | 24 |
1.2%
|
| 4 | 4-11 months | 13 |
0.7%
|
| 5 | One year | 5 |
0.3%
|
| 6 | 2 years | 4 |
0.2%
|
| 7 | 3 years or longer | 26 |
1.3%
|
| Sysmiss | 71 |