| Value | Category | Cases | |
|---|---|---|---|
| 1 | Refused to answer | 0 |
0%
|
| 2 | Don't know | 1 |
0%
|
| 3 | None | 2428 |
59.7%
|
| 4 | Mild | 1082 |
26.6%
|
| 5 | Moderate | 448 |
11%
|
| 6 | Severe | 104 |
2.6%
|
| 7 | Extreme or cannot do | 5 |
0.1%
|
| Missing value | 1 |
0%
|