| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3455 |
84.4%
|
| 2 | I have not stopped smoking | 182 |
4.4%
|
| 3 | 1-3 months | 143 |
3.5%
|
| 4 | 4-6 months | 42 |
1%
|
| 5 | 7-9 months | 25 |
0.6%
|
| 6 | One year | 64 |
1.6%
|
| 7 | Two years | 68 |
1.7%
|
| 8 | 3 years or longer | 113 |
2.8%
|
| Sysmiss | 86 |