| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 414 |
10.8%
|
| 1 | Yes, Mild | 571 |
14.9%
|
| 2 | Yes, Moderate | 1221 |
31.9%
|
| 3 | Yes, Severe | 1610 |
42%
|
| 99 | Refuse | 13 |
0.3%
|
| Sysmiss | 316 |