| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 3216 |
63%
|
| 2 | I have not stopped smoking | 680 |
13.3%
|
| 3 | 1-3 months | 441 |
8.6%
|
| 4 | 4-11 months | 257 |
5%
|
| 5 | One year | 190 |
3.7%
|
| 6 | 2 years | 132 |
2.6%
|
| 7 | 3 years or longer | 191 |
3.7%
|
| Sysmiss | 47 |