| Value | Category | Cases | Weighted | |
|---|---|---|---|---|
| 0 | no | 463 | 398 |
92.5%
|
| 1 | yes: intravenous (iv | 40 | 32 |
7.5%
|
| 8 | don't know | 0 | 0 |
0%
|
| Sysmiss | 2790 | 2863 |