| hhid | Household identification number |
| hpno | Person number |
| pid | Cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| hiviow7 | Interview outcome Wave 7 |
| hivstat1 | Interview status: previous waves |
| hhhmem | Household membership |
| hnewhy | New entrants – why living in HH |
| hnemnjn | New entrants – month joined HH |
| hneyrjn4 | New entrants – year joined HH |
| hivfio | Individual interview outcome |
| hivfho | Final household interview outcome |
| hiodc | Individual document check |
| hmemorig | Sample Origin |
| hhgr2r | Relationship to reference person |
| hhgsex | Sex – HH grid |
| hhgbm | Month of birth – HH grid |
| hhgby | Year of birth – HH grid |
| hmastat | Marital status |
| hhgspn | PNO of spouse/partner |
| hhgemp | Employment status – HH Grid |
| hhgfno | PNO of father |
| hhgmno | PNO of mother |
| hhgra | Responsible adult |
| hage | Age at Date of Interview |
| hage12 | Age at 1.12.1998 |
| hbutype | Benefit Unit Type |
| hbuno | Benefit Unit Number |
| hnchild | Number of own children in household |
| hdepchl | Whether dependent child: DSS definition |
| hhoh | Conventional Head of Household Indicator |
| hrach16 | Whether responsible adult for child |
| hagei | Imputation flag – HAGE and HAGE12 |
| hlrwght | Longitudinal respondent weight |
| hlewght | Longitudinal enumerated individual weight |
| hxrwght | X-sectional respondent weight |
| hxewght | X-sectional enumerated individual weight |
| hmovest | Individual mover status |
| hsampst | Sample membership status |
| hxrwghte | ECHP X-sectional respondent weight |
| hxewghte | ECHP X-sectional enumerated weight |
| hsppid | Cross-wave person identifier of spouse |
| hfpid | Cross-wave person identifier of father |
| hmpid | Cross-wave person identifier of mother |
| hrapid | X-wave person identifier of resp. adult |
| hdistmov | Distance of residential move |
| hbuid | BU identifier |
| hecstat1 | Econ.Status BU (HBAI defn), i |
| hecstat2 | Econ.Status BU (HBAI defn), ii |
| hfamtype1 | BU type (HBAI defn) |
| hfamtype2 | Family type – new HBAI definition |
| hbutype_mod | benefit unit type |