| Value | Category | Cases | |
|---|---|---|---|
| 1 | Never smoked | 1183 |
80%
|
| 2 | Did not stop smoking | 82 |
5.5%
|
| 3 | Between 1 to 3 months | 81 |
5.5%
|
| 4 | Between 4 to 11 months | 28 |
1.9%
|
| 5 | a year ago | 29 |
2%
|
| 6 | two year ago | 19 |
1.3%
|
| 7 | 3 or more years ago | 56 |
3.8%
|
| Sysmiss | 14 |