| pid | Cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| hhid | household identification number |
| hpno | person number |
| hiviow7 | interview outcome wave 7 |
| hivstat1 | interview status: previous waves |
| hivelig | whether permanent sample member |
| hhhmem | household membership |
| hnewhy | unlisted joiners |
| hnemnjn | new entrants – month joined hh |
| hneyrjn4 | new entrants – year joined hh |
| hlvwhy | leavers |
| hlvmn | leavers – month left |
| hlvyr4 | leavers – year left |
| hlvloc | leavers – new location |
| hivfio | individual interview outcome |
| hivrref | reason for interview refusal |
| hivireis | re-issued to field |
| hfinloc | final sample location identification |
| hivfho | final household interview outcome |
| hmemorig | sample origin |
| hsampst | sample membership status |
| hmovest | individual mover status |
| hlewght | longitudinal enumerated individual weigh |
| hlrwght | longitudinal respondent weight |
| hdistmov | distance of residential move |