| Valeur | Catégorie | le cas | |
|---|---|---|---|
| 1 | Granted | 608 |
96.4%
|
| 2 | Parent/other responsible refused | 6 |
1%
|
| 3 | Respondent refused | 14 |
2.2%
|
| 4 | Sample not tested/lost/not enough DBS | 0 |
0%
|
| 9 | 3 |
0.5%
|
|
| Sysmiss | 13793 |