| Value | Category | 
|---|---|
| 1 | I took treatment in hospital | 
| 2 | I took treatment in outpatients department | 
| 3 | I took treatment by a private doctor | 
| 4 | I took treatment at home under the supervision of a specialist | 
| 5 | I took treatment at home without the supervision of a specialist | 
| 6 | other | 
| Sysmiss |