| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 3332 |
87%
|
| 1 | Yes, Mild | 154 |
4%
|
| 2 | Yes, Moderate | 156 |
4.1%
|
| 3 | Yes, Severe | 128 |
3.3%
|
| 99 | Refuse | 59 |
1.5%
|
| Sysmiss | 316 |