| Value |
Category |
| 1 |
Daily |
| 2 |
Once a week |
| 3 |
Twice a month |
| 4 |
Monthly |
| 5 |
As necessary |
| 88 |
Other: specify |
| 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.