| Value | Category |
|---|---|
| 01 | Month, year, and day reported |
| 02 | Month and year reported |
| 03 | Month and age reported, year imputed |
| 04 | Year and age reported, month imputed |
| 05 | Year reported, age and month imputed |
| 06 | Age reported, year and month imputed |
| 07 | Month reported, age and year imputed |
| 08 | Year and age reported, year ignored |
| 09 | All values imputed |
| 90 | No data from individual questionnaire |
| 99 | NIU (not in universe) |
| var_concept.title | Vocabulary |
|---|---|
| Child biometrics, general Variables -- TOPICS | IPUMS |