| Value | Category | 
|---|---|
| 00 | No | 
| 10 | Yes | 
| 11 | Some difficulty | 
| 12 | A lot of difficulty | 
| 13 | Cannot hear at all | 
| 14 | Yes, unknown level of difficulty | 
| 97 | Don't know | 
| 98 | Missing | 
| 99 | NIU (not in universe) | 
| var_concept.title | Vocabulary | 
|---|---|
| General disability Variables -- TOPICS | IPUMS |