| Value | Category | Cases | |
|---|---|---|---|
| 0 | No: received treatm. | 407 |
43.1%
|
| 1 | Yes: no treatment | 536 |
56.8%
|
| 8 | DK | 1 |
0.1%
|
| 9 | 2 | ||
| Sysmiss | 5133 |