| Value |
Category |
| 1 |
physical |
| 2 |
visual |
| 3 |
hearing |
| 4 |
visual and hearing |
| 5 |
speech |
| 6 |
mental |
| 7 |
multiple |
| 8 |
none |
| Sysmiss |
|
Warning: these figures indicate the number of cases found in the data file. They cannot be interpreted as summary statistics of the population of interest.