| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1203 |
84.7%
|
| 2 | I have not stopped smoking | 41 |
2.9%
|
| 3 | 1-3 months | 48 |
3.4%
|
| 4 | 4-11 months | 29 |
2%
|
| 5 | One year | 16 |
1.1%
|
| 6 | 2 years | 16 |
1.1%
|
| 7 | 3 years or longer | 12 |
0.8%
|
| 8 | 56 |
3.9%
|
|
| Sysmiss | 30 |