| Value | Category | Cases | |
|---|---|---|---|
| -1 | Missing | 39 |
3.3%
|
| 0 | No | 459 |
38.3%
|
| 1 | Yes | 489 |
40.8%
|
| 7 | Not applicable | 1 |
0.1%
|
| 9 | Don't know | 210 |
17.5%
|
| 98 | Refused | 1 |
0.1%
|