| Value | Category | 
|---|---|
| 10 | Granted | 
| 20 | Refused | 
| 21 | Parent/caretaker refused | 
| 22 | Respondent refused | 
| 23 | Adult/parent not present | 
| 24 | Minor not present | 
| 25 | Sample not tested/lost/not enough DBS | 
| 98 | Missing | 
| 99 | NIU (not in universe) | 
| var_concept.title | Vocabulary | 
|---|---|
| Male blood testing Variables -- TOPICS | IPUMS |