| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 31 |
2.6%
|
| 0 | No | 277 |
23.3%
|
| 1 | Yes | 580 |
48.7%
|
| 7 | Not applicable | 15 |
1.3%
|
| 9 | Don't know | 288 |
24.2%
|
| 98 | Refused | 0 |
0%
|