| Value |
Category |
| 0 |
|
| 1 |
Yes, all the time |
| 2 |
Yes, sometimes |
| 3 |
No |
| 4 |
NA (e.g. too young or too old to work/attend school ) |
| 9 |
Missing |
| 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.