| Value |
Category |
| 1 |
never |
| 2 |
less than once a month |
| 3 |
once or twice per month |
| 4 |
three to four times per month |
| 5 |
five or more times per month |
| 9 |
no response |
| 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.
