| Value | Category |
|---|---|
| 10 | Permission granted |
| 20 | Permission refused |
| 21 | Parent/other refused |
| 22 | Respondent refused |
| 30 | Not read |
| 40 | Not present |
| 41 | Adult/parent not present |
| 42 | Minor not present |
| 98 | Missing |
| 99 | NIU (not in universe) |
| var_concept.title | Vocabulary |
|---|---|
| Female blood testing Variables -- TOPICS | IPUMS |