| pid | Cross-wave person identifier | 
| pidp | Cross-wave person identifier (UKHLS) | 
| lhid | household identification number | 
| lpno | person number | 
| liviolw | interview outcome prev wave | 
| livstat1 | interview status: previous waves | 
| livelig | whether permanent sample member | 
| lhhmem | household membership | 
| lnewhy | new entrants – why living in hh | 
| lnemnjn | new entrants – month joined hh | 
| lneyrjn4 | new entrants – year joined hh | 
| llvwhy | leavers – why left | 
| llvmn | leavers – month left | 
| llvyr4 | leavers – year left | 
| llvloc | leavers – new location | 
| livfio | individual interview outcome | 
| livrref | reason for interview refusal | 
| livireis | re-issued to field | 
| lexp2mov | likelihood of move | 
| lfinloc | final sample location identification | 
| livfho | final household interview outcome | 
| lmemorig | sample origin | 
| lsampst | Sample membership status | 
| lmovest | individual mover status | 
| llewght | longitudinal enumerated individual weigh | 
| llrwght | longitudinal respondent weight | 
| llrwtsw1 | longit’l resp. weight inc scot-welsh | 
| llewtsw1 | longit’l enum. weight inc. scot-welsh | 
| llrwtsw2 | longit’l resp. weight only scot-welsh | 
| llewtsw2 | longit’l enum. weight only scot-welsh | 
| llrwtuk1 | longit’l resp. weight inc all samples | 
| llewtuk1 | longit’l enum. weight inc all samples | 
| llrwtuk2 | longit’l resp. weight within uk estimate | 
| llewtuk2 | longit’l enum. weight within uk estimate | 
| ldistmov | distance of residential move |