| Value |
Category |
| 1 |
often, everyday or once a day |
| 2 |
sometimes, once per week to once per month |
| 3 |
rarely, less than once per month |
| 4 |
never |
| 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.