| Value | Category | Cases | |
|---|---|---|---|
| 1 | Yes, pipe | 58 |
2.5%
|
| 2 | Yes, chewing tobacco | 18 |
0.8%
|
| 3 | Yes, other | 58 |
2.5%
|
| 4 | No | 2169 |
94.2%
|
| Sysmiss | 36 |