| Value | Category |
|---|---|
| 1 | Shortage or unavailability of money |
| 2 | Shortage or unavailability of time |
| 3 | Transport issues |
| 4 | Personal or familial difficulties (health condition, old age |
| 5 | Alienation or deterioration of relations with relatives |
| 6 | Difficulties to cross the border |
| 7 | Other |
| Sysmiss |