| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2103 |
94.3%
|
| 2 | I have not stopped smoking | 45 |
2%
|
| 3 | Less than 4 months | 39 |
1.7%
|
| 4 | 4-11 months | 12 |
0.5%
|
| 5 | One year | 11 |
0.5%
|
| 6 | 2 years | 6 |
0.3%
|
| 7 | 3 years or longer | 15 |
0.7%
|
| Sysmiss | 25 |