| pid | Cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| mhid | household identification number |
| mpno | person number |
| miviolw | interview outcome prev wave |
| mivstat1 | interview status: previous waves |
| mivelig | whether permanent sample member |
| mhhmem | household membership |
| mnewhy | new entrants – why living in hh |
| mnemnjn | new entrants – month joined hh |
| mneyrjn4 | new entrants – year joined hh |
| mlvwhy | leavers – why left |
| mlvmn | leavers – month left |
| mlvyr4 | leavers – year left |
| mlvloc | leavers – new location |
| mivfio | individual interview outcome |
| mivrref | reason for interview refusal |
| mivireis | re-issued to field |
| mfinloc | final sample location identification |
| mivfho | final household interview outcome |
| mmemorig | sample origin |
| msampst | Sample membership status |
| mmovest | individual mover status |
| mlewght | longitudinal enumerated individual weigh |
| mlrwght | longitudinal respondent weight |
| mlrwtsw1 | longit’l resp. weight inc scot-welsh |
| mlewtsw1 | longit’l enum. weight inc. scot-welsh |
| mlrwtsw2 | longit’l resp. weight only scot-welsh |
| mlewtsw2 | longit’l enum. weight only scot-welsh |
| mlrwtuk1 | longit’l resp. weight inc all samples |
| mlewtuk1 | longit’l enum. weight inc all samples |
| mlrwtuk2 | longit’l resp. weight within uk estimate |
| mlewtuk2 | longit’l enum. weight within uk estimate |
| mdistmov | distance of residential move |