| Value | Category | Cases | |
|---|---|---|---|
| 1 | I have never smoked cigarettes | 946 |
59.4%
|
| 2 | I did not smoke during the past year | 262 |
16.5%
|
| 3 | Yes | 263 |
16.5%
|
| 4 | No | 121 |
7.6%
|
| Sysmiss | 15 |