| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 2307 |
54.7%
|
| 2 | I have not stopped smoking | 717 |
17%
|
| 3 | Less than 1 month | 299 |
7.1%
|
| 4 | 1-3 months | 226 |
5.4%
|
| 5 | 4-11 months | 237 |
5.6%
|
| 6 | One year | 184 |
4.4%
|
| 7 | 2 years | 115 |
2.7%
|
| 8 | 3 years or longer | 136 |
3.2%
|
| Sysmiss | 24 |