| Value | Category | Cases | |
|---|---|---|---|
| 1 | Measured | 1729 |
80.2%
|
| 2 | Not present | 374 |
17.4%
|
| 3 | Refused | 7 |
0.3%
|
| 96 | Other (specify) | 45 |
2.1%
|
| Sysmiss | 248 |