| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2833 |
89.7%
|
| 2 | I have not stopped smoking | 88 |
2.8%
|
| 3 | 1-3 months | 85 |
2.7%
|
| 4 | 4-11 months | 32 |
1%
|
| 5 | One year | 35 |
1.1%
|
| 6 | 2 years | 21 |
0.7%
|
| 7 | 3 years or longer | 65 |
2.1%
|
| Sysmiss | 27 |