| Value | Category | Cases | |
|---|---|---|---|
| 1 | Regular smoker (At least once a day) | 1159 |
10.6%
|
| 2 | Occational smoker (Not smoke once a day) | 254 |
2.3%
|
| 3 | Previous Smoker | 147 |
1.3%
|
| 4 | Not a smoker (now OR before) | 9310 |
85.3%
|
| 777 | Don’t know | 42 |
0.4%
|
| Sysmiss | 4767 |