| Value | Category | Cases | |
|---|---|---|---|
| 1 | Not severe | 47 |
1.3%
|
| 2 | Somewhat severe | 494 |
13.1%
|
| 3 | Severe | 1025 |
27.3%
|
| 4 | Extremely severe | 2189 |
58.2%
|
| 7 | REFUSED | 3 |
0.1%
|
| Sysmiss | 957 |