| pid | Cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| qhid | household identification number |
| qpno | person number |
| qiviolw | interview outcome prev wave |
| qivstat1 | interview status: previous waves |
| qivelig | whether permanent sample member |
| qhhmem | household membership |
| qnewhy | new entrants – why living in hh |
| qnemnjn | new entrants – month joined hh |
| qneyrjn4 | new entrants – year joined hh |
| qlvwhy | leavers – why left |
| qlvmn | leavers – month left |
| qlvyr4 | leavers – year left |
| qlvloc | leavers – new location |
| qivfio | individual interview outcome |
| qivrref | reason for interview refusal |
| qivireis | re-issued to field |
| qfinloc | final sample location identification |
| qivfho | final household interview outcome |
| qmemorig | sample origin |
| qsampst | Sample membership status |
| qmovest | individual mover status |
| qlewght | longitudinal enumerated individual weigh |
| qlrwght | longitudinal respondent weight |
| qlrwtsw1 | longit’l resp. weight inc scot-welsh |
| qlewtsw1 | longit’l enum. weight inc. scot-welsh |
| qlrwtsw2 | longit’l resp. weight only scot-welsh |
| qlewtsw2 | longit’l enum. weight only scot-welsh |
| qlrwtuk1 | longit’l resp. weight inc all samples |
| qlewtuk1 | longit’l enum. weight inc all samples |
| qlrwtuk2 | longit’l resp. weight within uk estimate |
| qlewtuk2 | longit’l enum. weight within uk estimate |
| qdistmov | distance of residential move |