| Value | Category | Cases | |
|---|---|---|---|
| 1 | During the past month, I did not smoke industrial cigarettes. | 1959 |
95.9%
|
| 2 | Less than once a week. | 35 |
1.7%
|
| 3 | At least once a week but not every day. | 25 |
1.2%
|
| 4 | Every day. | 24 |
1.2%
|
| Sysmiss | 4 |