| Value | Category | Cases | |
|---|---|---|---|
| -2 | Skipped | 34 |
0.6%
|
| -1 | True missing | 2065 |
37.7%
|
| 0 | No | 2906 |
53%
|
| 1 | Yes | 470 |
8.6%
|
| 99 | Refused to answer | 6 |
0.1%
|