| Value |
Category |
| 1 |
1 always |
| 2 |
2 4 or more hours per day |
| 3 |
3 under 4 hours per day |
| 4 |
4 several times a week |
| 5 |
5 less than once a week |
| 98 |
don't know |
| 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.