| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 0 |
0%
|
| 0 | No | 600 |
50%
|
| 1 | Yes | 568 |
47.3%
|
| 8 | Refused to answer | 29 |
2.4%
|
| 9 | Don't know | 3 |
0.3%
|