| Value | Category | Cases | |
|---|---|---|---|
| 1 | Refused to answer | 1 |
0%
|
| 2 | Don't know | 1 |
0%
|
| 3 | None | 1953 |
48%
|
| 4 | Mild | 1494 |
36.7%
|
| 5 | Moderate | 447 |
11%
|
| 6 | Severe | 167 |
4.1%
|
| 7 | Extreme or cannot do | 5 |
0.1%
|
| Missing value | 1 |
0%
|