| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 3433 |
75.4%
|
| 2 | Less than once a week. | 380 |
8.3%
|
| 3 | At least once a week but not every day. | 447 |
9.8%
|
| 4 | Every day. | 295 |
6.5%
|
| Sysmiss | 39 |