| ghid | Household identification number |
| gfid | Fieldwork household identifier |
| givnadd | Household found at new address in field |
| givia | Interviewer area |
| givid | Interviewer number |
| givlnc | Total calls at last known address |
| givtnc | Number of calls at new address |
| giviam | Area intrvw took place non-local movers |
| givfho | Final household interview outcome |
| givosmrh | No. OSMs – whole HH refusal to intervwr |
| givnsmrh | No. new HH membs – whl HH ref to intvwr |
| givrrefh | Reason for household refusal |
| givisst | Coversheet issue status |
| givconv | Refusal conversion attempted |
| givreis | Re-issued to field |
| ghhdc | Document check – h/hold quest’re comp? |
| ghhorig | Sample Origin: original BHPS or ECHP |
| gechphid | ECHP Household ID |
| gxhwght | Household Weight |
| gregion | Region / Metropolitan area |
| ghhmove | Mover household indicator |
| ahid | Household identification number – Wave 1 |
| gxhwghte | ECHP Household weight |
| gstrata | Stratification class |
| gpsu | Primary Sampling Unit |
| gregion2 | Government Office Region |