| Value | Category | Cases | |
|---|---|---|---|
| 1 | Refused to answer | 0 |
0%
|
| 2 | Don't know | 2 |
0%
|
| 3 | None | 2144 |
52.7%
|
| 4 | Mild | 1334 |
32.8%
|
| 5 | Moderate | 485 |
11.9%
|
| 6 | Severe | 99 |
2.4%
|
| 7 | Extreme or cannot do | 4 |
0.1%
|
| Missing value | 1 |
0%
|