| Value |
Category |
| -99 |
Dont know |
| 0 |
Nothing in the last 7 days |
| 1 |
Every day |
| 2 |
Every other day |
| 3 |
Once or twice |
| 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.