| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 537 |
14%
|
| 1 | Yes, Mild | 1158 |
30.2%
|
| 2 | Yes, Moderate | 1127 |
29.4%
|
| 3 | Yes, Severe | 995 |
26%
|
| 99 | Refuse | 12 |
0.3%
|
| Sysmiss | 316 |