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Record Type iegoalt

ihid household identification number
ipno ego’s person number
iopno alter’s person number
irel relationship of iopno to ipno
isex sex
iosex alter’s sex
ilwstat alter’s residence at last wave
inwstat alter’s residence at next wave
pid cross-wave person identifier
pidp Cross-wave person identifier (UKHLS)
iopid alter’s cross-wave person identifier