| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 2760 |
75.2%
|
| 2 | Less than once a week. | 268 |
7.3%
|
| 3 | At least once a week but not every day. | 244 |
6.7%
|
| 4 | Every day. | 396 |
10.8%
|
| Sysmiss | 23 |