| Value | Category | Cases | |
|---|---|---|---|
| 1 | Granted | 167 |
81.9%
|
| 2 | Parent/Other responsible refused | 5 |
2.5%
|
| 3 | Respondent refused | 23 |
11.3%
|
| 4 | Sample not tested/lost/not enough DBS | 9 |
4.4%
|
| Sysmiss | 8853 |