| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 3368 |
83.7%
|
| 2 | I have not stopped smoking | 197 |
4.9%
|
| 3 | 1-3 months | 105 |
2.6%
|
| 4 | 4-11 months | 121 |
3%
|
| 5 | One year | 39 |
1%
|
| 6 | 2 years | 51 |
1.3%
|
| 7 | 3 years or longer | 33 |
0.8%
|
| 8 | 108 |
2.7%
|
|
| Sysmiss | 16 |