| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked | 1258 |
80%
|
| 2 | I have not stopped smoking | 79 |
5%
|
| 3 | 1-3 months | 67 |
4.3%
|
| 4 | 4-11 months | 43 |
2.7%
|
| 5 | One year | 45 |
2.9%
|
| 6 | 2 years | 15 |
1%
|
| 7 | 3 years or longer | 65 |
4.1%
|
| Sysmiss | 2 |