| Value |
Category |
| 1 |
Not home during entire survey period |
| 2 |
Too ill |
| 3 |
handicapped or deformed |
| 4 |
Not willing |
| 5 |
Other |
| 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.