| dhid | Household identification number |
| dpno | Person number |
| pid | Cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| diviow3 | Interview outcome Wave 3 |
| divievr | Ever interviewed |
| dhhmem | Household membership |
| dnewhy | New entrants – why living in HH |
| dnemnjn | New entrants – month joined HH |
| dneyrjn | New entrants – year joined HH |
| divfio | Individual interview outcome |
| divfho | Final household interview outcome |
| diodc | Individual document check |
| dhgr2r | Relationship to reference person |
| dhgsex | Sex – HH grid |
| dhgbm | Month of birth – HH grid |
| dhgby | Year of birth – HH grid |
| dmastat | Marital status |
| dhgspn | PNO of spouse/partner |
| dhgemp | Employment status – HH Grid |
| dhgfno | PNO of father |
| dhgmno | PNO of mother |
| dhgra | Responsible adult |
| dage | Age at Date of Interview |
| dage12 | Age at 1.12.1994 |
| dbutype | Benefit Unit Type |
| dbuno | Benefit Unit Number |
| dnchild | Number of own children in household |
| ddepchl | Whether dependent child: DSS definition |
| dhoh | Conventional Head of Household Indicator |
| drach16 | Whether responsible adult for child |
| dagei | Imputation flag – DAGE and DAGE12 |
| dlrwght | Longitudinal respondent weight |
| dlewght | Longitudinal enumerated individual weight |
| dxrwght | X-sectional respondent weight |
| dxewght | X-sectional enumerated individual weight |
| dmovest | Individual mover status |
| dsampst | Sample membership status |
| dneyrjn4 | New entrants – year joined HH: 4 digit |
| dsppid | Cross-wave person identifier of spouse |
| dfpid | Cross-wave person identifier of father |
| dmpid | Cross-wave person identifier of mother |
| drapid | X-wave person identifier of resp. adult |
| ddistmov | Distance of residential move |
| dbuid | BU identifier |
| decstat1 | Econ.Status BU (HBAI defn), i |
| decstat2 | Econ.Status BU (HBAI defn), ii |
| dfamtype1 | BU type (HBAI defn) |
| dfamtype2 | Family type – new HBAI definition |
| dbutype_mod | benefit unit type |