| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke tobacco in a pipe during the past 30 days | 3809 |
97.6%
|
| 2 | Less than once a week | 69 |
1.8%
|
| 3 | At least once a week but not every day | 23 |
0.6%
|
| 4 | Every day | 3 |
0.1%
|
| Sysmiss | 13 |