| chid | Household identification number |
| cpno | Person number |
| pid | Cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| civiow2 | Interview outcome Wave 1 |
| civievr | Ever interviewed |
| chhmem | Household membership |
| cnewhy | New entrants – why living in HH |
| cnemnjn | New entrants – month joined HH |
| cneyrjn | New entrants – year joined HH |
| civfio | Individual interview outcome |
| civtel | Telephone interview |
| civfho | Final household interview outcome |
| ciodc | Individual document check |
| chgr2r | Relationship to reference person |
| chgsex | Sex – HH grid |
| chgbm | Month of birth – HH grid |
| chgby | Year of birth – HH grid |
| cmastat | Marital status |
| chgspn | PNO of spouse/partner |
| chgemp | Employment status – HH Grid |
| chgfno | PNO of father |
| chgmno | PNO of mother |
| chgra | Responsible adult |
| cage | Age at Date of Interview |
| cage12 | Age at 1.12.1993 |
| cbutype | Benefit Unit Type |
| cbuno | Benefit Unit Number |
| cnchild | Number of own children in household |
| cdepchl | Whether dependent child: DSS definition |
| choh | Conventional Head of Household Indicator |
| crach16 | Whether responsible adult for child |
| cagei | Imputation flag – CAGE and CAGE12 |
| clrwght | Longitudinal respondent weight |
| clewght | Longitudinal enumerated individual weight |
| cxrwght | X-sectional respondent weight |
| cxewght | X-sectional enumerated individual weight |
| cmovest | Individual mover status |
| csampst | Sample membership status |
| cneyrjn4 | New entrants – year joined HH: 4 digit |
| csppid | Cross-wave person identifier of spouse |
| cfpid | Cross-wave person identifier of father |
| cmpid | Cross-wave person identifier of mother |
| crapid | X-wave person identifier of resp. adult |
| cdistmov | Distance of residential move |
| cbuid | BU identifier |
| cecstat1 | Econ.Status BU (HBAI defn), i |
| cecstat2 | Econ.Status BU (HBAI defn), ii |
| cfamtype1 | BU type (HBAI defn) |
| cfamtype2 | Family type – new HBAI definition |
| cbutype_mod | benefit unit type |