| Value | Category | Cases | |
|---|---|---|---|
| 1 | explicit refusal | 664 |
15.5%
|
| 2 | no consent (question not seen) | 115 |
2.7%
|
| 3 | implicit consent (question seen) | 1618 |
37.8%
|
| -8 | Not applicable (not asked on paper) | 648 |
15.1%
|
| -6 | Follow-up refusal | 1188 |
27.8%
|
| -2 | No answer | 48 |
1.1%
|