| Value | Category | 
|---|---|
| 1 | New Born | 
| 2 | Adopted Child | 
| 3 | Marriage/Cohabitation | 
| 4 | Divorce/ Separation | 
| 5 | Returned from College/University | 
| 6 | Returned from Institution | 
| 7 | Moved in with Parent or Relative | 
| 8 | Shared Accomodation | 
| 9 | Return from work Migration | 
| 10 | Mistakenly not reported or forgotten last visit | 
| 11 | Others specify | 
| Sysmiss |