BHPS Documentation and Questionnaires
Record Type aegoalt
| ahid | household identification number |
| apno | ego’s person number |
| aopno | alter’s person number |
| arel | relationship of aopno to apno |
| asex | sex |
| aosex | alter’s sex |
| anwstat | alter’s residence at next wave |
| pid | cross-wave person identifier |
| pidp | Cross-wave person identifier (UKHLS) |
| aopid | alter’s cross-wave person identifier |