BHPS Documentation and Questionnaires
Record Type lchildad
| lhid | household identification number |
| lpno | person number |
| llacbm | month of birth – adopted child |
| llacby4 | year of birth – adopted child |
| llacsx | sex of adopted child |
| llacst | status of adopted child |
| llacyb4 | year adopted child joined resp. hh |
| llaclv | adopted child still lives in resp. hh |
| llacyd4 | year adopted child died |
| llacal | age adopted child left resp. hh |
| llacno | adopted child number |
| pid | cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |