LS variable metadata
Variable: BIYRANB
Table: NBIR
Short description: Year of new birth on sample date.
Full description:  
Coding notes: Year, in full 4-digit numeric form. This has been calculated by: (a) Subtracting one from year of registration if month of occurrence is greater than month of registration (b) Making year of registration the year of occurrence if month of occurrence is not greater than month of registration.
Notes: Registrations of more than eleven months but less than one year after the occurrence are wrongly assigned, but these are few.
Units of measurement:  
Source: Draft entry for births (Form 309): Question 1
Former name of variable:  
Derived: N
Derivation: Not available
Date range:  
Keyword: Age
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: N
Data type: Text
Length of field: 4
Reference 1: See LS Technical Volume (Hattersley and Creeser, 1995) p342 (live birth registration draft entry form), p345 (record of live birth form), pp24-25, pp94-95 (general details), pp99-101 (comparability of data), pp109-115 (data quality).