| Value | Category | Cases | |
|---|---|---|---|
| 1 | Granted | 148 |
82.2%
|
| 2 | Parent/Other responsible refused | 3 |
1.7%
|
| 3 | Respondent refused | 13 |
7.2%
|
| 4 | Sample not tested/lost/not enough DBS | 16 |
8.9%
|
| Sysmiss | 8877 |