| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 4884 |
77.7%
|
| 2 | I have not stopped smoking | 388 |
6.2%
|
| 3 | 1-3 months | 304 |
4.8%
|
| 4 | 4-11 months | 220 |
3.5%
|
| 5 | One year | 149 |
2.4%
|
| 6 | 2 years | 131 |
2.1%
|
| 7 | 3 years or longer | 61 |
1%
|
| 8 | 148 |
2.4%
|
|
| Sysmiss | 93 |