| Value |
Category |
| 1 |
did not miss è |
| 2 |
only a few days |
| 3 |
from 1 week to 1 month |
| 4 |
from 1 month to several months |
| 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.