| Value | Category | Cases | |
|---|---|---|---|
| 1 | Refused to answer | 0 |
0%
|
| 2 | Don't know | 2 |
0%
|
| 3 | None | 1823 |
44.8%
|
| 4 | Mild | 1625 |
39.9%
|
| 5 | Moderate | 474 |
11.6%
|
| 6 | Severe | 138 |
3.4%
|
| 7 | Extreme or cannot do | 6 |
0.1%
|
| Missing value | 1 |
0%
|