LS variable metadata
Variable: BIYRCDIM
Table: IDMI
Short description: Year of birth of deceased infant of LS member.
Full description:  
Coding notes: 1971-1975:
Blank - Not coded
1976 onwards:
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:  
Units of measurement:  
Source: Draft entry for deaths (Form 310): Question 5.
Former name of variable: BIYRDCDIM
Derived: N
Derivation: Not available
Subject:  
Date range:  
Keyword: Age
Classification:  
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), page 343 (death registration draft entry form), page 25 and page 96 (general details), pp. 99-104 (comparability), pp. 141-145 (data quality).