| Value | Category | Cases | |
|---|---|---|---|
| 0 | No | 3205 |
83.7%
|
| 1 | Yes, Mild | 174 |
4.5%
|
| 2 | Yes, Moderate | 215 |
5.6%
|
| 3 | Yes, Severe | 180 |
4.7%
|
| 99 | Refuse | 55 |
1.4%
|
| Sysmiss | 316 |