LS variable metadata
Variable: AHAEBIM
Table: IDFI
Short description: Area Health Authority (within RHA) of usual address of sample mother (part of expanded area code).
Full description:  
Coding notes: 1971-1981:
A-K, Space
1982-1986 :
A-O, Space
1987 onwards:
See 2nd character of NHSDHBIM. See 1981 Census Appendix 12
Notes:  
Units of measurement:  
Source: Draft entry for births (Form 309): Question 10. Draft entry for stillbirths (Form 308): Question 10.
Former name of variable:  
Derived: N
Derivation: Not available
Subject:  
Date range:  
Keyword: Geog
Classification:  
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: N
Data type: Text
Length of field: 2
Reference 1: 1981 Census Appendix 12c
Reference 2: See LS Technical Volume (Hattersley and Creeser, 1995), page 343 (neonatal death certificate and death registration draft entry form), page 25 and page 96 (general details), pp. 99-104 (comparability), pp. 141-145 (data quality).