| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 5271 |
87%
|
| 2 | I have not stopped smoking | 222 |
3.7%
|
| 3 | 1-3 months | 194 |
3.2%
|
| 4 | 4-11 months | 56 |
0.9%
|
| 5 | One year | 103 |
1.7%
|
| 6 | 2 years | 61 |
1%
|
| 7 | 3 years or longer | 154 |
2.5%
|
| Sysmiss | 39 |