| pid | Cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| fhid | household identification number |
| fpno | person number |
| fiviow5 | interview outcome wave 5 |
| fivievr | ever interviewed |
| fivelig | whether permanent sample member |
| fhhmem | household membership |
| fnewhy | unlisted joiners |
| fnemnjn | new entrants – month joined hh |
| fneyrjn | new entrants – year joined hh |
| flvwhy | leavers |
| flvmn | leavers – month left |
| flvyr | leavers – year left |
| flvloc | leavers – new location |
| fivfio | individual interview outcome |
| fivrref | reason for interview refusal |
| fivireis | re-issued to field |
| ffinloc | final sample location identification |
| fivfho | final household interview outcome |
| fsampst | sample membership status |
| fmovest | individual mover status |
| flewght | longitudinal enumerated individual weigh |
| flrwght | longitudinal respondent weight |
| fneyrjn4 | new entrants – year joined hh: 4 digit |
| flvyr4 | leavers – year left: 4 digit |
| fdistmov | distance of residential move |