| Value |
Category |
| -8 |
|
| -7 |
|
| 1 |
Weekly (4-5 times per month) |
| 2 |
Bi-weekly (2 times per month) |
| 3 |
Once a month |
| 4 |
There is no regular pattern |
| 99 |
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.