| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 3840 |
82.2%
|
| 2 | Less than once a week. | 347 |
7.4%
|
| 3 | At least once a week but not every day. | 265 |
5.7%
|
| 4 | Every day. | 220 |
4.7%
|
| Sysmiss | 31 |