| Value | Category | Cases | |
|---|---|---|---|
| 0 | No: received treatm. | 327 |
43.8%
|
| 1 | Yes: no treatment | 419 |
56.1%
|
| 8 | DK | 1 |
0.1%
|
| 9 | 1 | ||
| Sysmiss | 7696 |