| Value |
Category |
| 1 |
most of the week |
| 2 |
half of the week |
| 3 |
less than half of the week |
| 4 |
v.r.: there was no school |
| 98 |
don't know |
| 99 |
refuse to answer |
| Missing value |
|
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.
