| Value | Category | 
|---|---|
| 0 | N/A | 
| 1 | studied | 
| 2 | not working pensioner | 
| 3 | did not work because of lengthy decrease of working capability without disability degree | 
| 4 | disabled person with limited working capability | 
| 5 | kept the house, took care of children or other persons | 
| 6 | did not work, did not study and did not look for work | 
| 7 | other |