| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 1306 |
32.2%
|
| 2 | I did not smoke during the past year | 1074 |
26.5%
|
| 3 | Yes | 1286 |
31.7%
|
| 4 | No | 387 |
9.5%
|
| Sysmiss | 48 |