| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 884 |
88.1%
|
| 2 | I have not stopped smoking | 52 |
5.2%
|
| 3 | 1-3 months | 23 |
2.3%
|
| 4 | 4-11 months | 10 |
1%
|
| 5 | One year | 13 |
1.3%
|
| 6 | 2 years | 3 |
0.3%
|
| 7 | 3 years or longer | 18 |
1.8%
|
| Sysmiss | 8 |