| value | category | cases | |
|---|---|---|---|
| 0 | No: received treatm. | 1057 |
56.4%
|
| 1 | Yes: no treatment | 815 |
43.5%
|
| 8 | DK | 2 |
0.1%
|
| 9 | 2 | ||
| Sysmiss | 8769 |