| Value |
Category |
| -9 |
missing |
| -8 |
dont know |
| -7 |
na |
| 1 |
rarely (1-2 times) |
| 2 |
sometimes (3-10 times) |
| 3 |
often (more than 10 times) |
| 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.