| Value | Category | Cases | |
|---|---|---|---|
| 0 | None | 5302 |
88.5%
|
| 1 | Mild | 585 |
9.8%
|
| 2 | Moderate | 85 |
1.4%
|
| 3 | Severe | 14 |
0.2%
|
| 4 | Extreme or can't do | 4 |
0.1%
|
| Sysmiss | 1171 |