| lhid | Household identification number |
| lpno | Person number |
| pid | Cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| liviolw | Interview outcome prev wave |
| livstat1 | Interview status: previous waves |
| lhhmem | Household membership |
| lnewhy | New entrants – why living in HH |
| lnemnjn | New entrants – month joined HH |
| lneyrjn4 | New entrants – year joined HH |
| livfio | Individual interview outcome |
| livfho | Final household interview outcome |
| liodc | Individual document check |
| lmemorig | Sample Origin |
| lhgr2r | Relationship to reference person |
| lhgsex | Sex – HH grid |
| lhgbm | Month of birth – HH grid |
| lhgby | Year of birth – HH grid |
| lmastat | Marital status |
| lhgspn | PNO of spouse/partner |
| lhgemp | Employment status – HH Grid |
| lhgfno | PNO of father |
| lhgmno | PNO of mother |
| lhgra | Responsible adult |
| lage | Age at Date of Interview |
| lage12 | Age at 1.12.2002 |
| lbutype | Benefit Unit Type |
| lbuno | Benefit Unit Number |
| lnchild | Number of own children in household |
| ldepchl | Whether dependent child: DSS definition |
| lhoh | Conventional Head of Household Indicator |
| lrach16 | Whether responsible adult for child |
| lagei | Imputation flag – LAGE and LAGE12 |
| llrwght | Longitudinal respondent weight |
| llewght | Longitudinal enumerated individual weight |
| lxrwght | X-sectional respondent weight |
| lxewght | X-sectional enumerated individual weight |
| lmovest | Individual mover status |
| lsampst | Sample membership status |
| lxrwtuk1 | X-sect’l resp. weight inc all samples |
| lxewtuk1 | X-sect’l enum. weight inc all samples |
| lxrwtuk2 | X-sect’l resp. weight within UK estimates |
| lxewtuk2 | X-sect’l enum. weight within UK estimates |
| llrwtsw1 | Longit’l resp. weight inc Scot-Welsh |
| llewtsw1 | Longit’l enum. weight inc. Scot-Welsh |
| llrwtsw2 | Longit’l resp. weight only Scot-Welsh |
| llewtsw2 | Longit’l enum. weight only Scot-Welsh |
| llrwtuk1 | Longit’l resp. weight inc all samples |
| llewtuk1 | Longit’l enum. weight inc all samples |
| llrwtuk2 | Longit’l resp. weight within UK estimates |
| llewtuk2 | Longit’l enum. weight within UK estimates |
| lsppid | Cross-wave person identifier of spouse |
| lfpid | Cross-wave person identifier of father |
| lmpid | Cross-wave person identifier of mother |
| lrapid | X-wave person identifier of resp. adult |
| ldistmov | Distance of residential move |
| lbuid | BU identifier |
| lecstat1 | Econ.Status BU (HBAI defn), i |
| lecstat2 | Econ.Status BU (HBAI defn), ii |
| lfamtype1 | BU type (HBAI defn) |
| lfamtype2 | Family type – new HBAI definition |
| lbutype_mod | benefit unit type |