| Value | Category | Cases | |
|---|---|---|---|
| 1 | I did not smoke tobacco in a pipe during the past 30 days (one month) | 4934 |
97%
|
| 2 | Less than once a week | 83 |
1.6%
|
| 3 | At least once a week but not every day | 49 |
1%
|
| 4 | Every day | 20 |
0.4%
|
| Sysmiss | 112 |