| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5707 |
95.3%
|
| 1 | Mild | 229 |
3.8%
|
| 2 | Moderate | 42 |
0.7%
|
| 3 | Severe | 7 |
0.1%
|
| 4 | Extreme or can't do | 5 |
0.1%
|
| Sysmiss | 1171 |