LS variable metadata
Variable: NHSRQBIM
Table: IDMI
Short description: National Health Service number (1973 - 1987): Quarter of registration of birth.
Full description: Applies to Infant deaths of Births to Sample Mothers & Fathers, rec 58 & 67
Coding notes: 1971-1972:
Space
1973-1987:
M=March
J=June
S=September
D=December
If a new register is opened within a quarter the next letter in the alphabet is used
1988-1992:
See NHSQRBIM
1993 onwards:
Blank - not coded.
Notes:  
Units of measurement:  
Source: Birth registration Form 309
Former name of variable: NHSREQUBIM
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: N
Data type: Text
Length of field: 1
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).