LS variable metadata
Variable: NHSYRBIM
Table: IDMIx
Short description: National Health Service number (1973 - 1987): Year of registration.
Full description: Applies to Infant Deaths of Births to Sample Mothers & Fathers, rec 58 & 67
Coding notes: 1971-1972:
Blank
1973-1987:
J=1973 K=1974 L=1975 M=1976 N=1977 O=1978 P=1979 Q=1980 R=1981 S=1982 T=1983 V=1984 W=1985 X=1986 Y=1987
1988-1992:
See NHSRYBIM
1993 onwards:
Blank - not coded.
Notes: Not available for analysis.
Units of measurement:  
Source: Birth Registration Form 309
Former name of variable: NHSREYRBIM
Derived: N
Derivation: Not available
Subject:  
Date range: From: 19730101 To: 19871231 
Keyword: Registrar
Classification:  
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: Y
Data type: Text
Length of field: 1