LS variable metadata
Variable: NHSDSBIM
Table: IDMIx
Short description: National Health Service number (1976 - 1987): Registration district/Sub-district of birth.
Full description: Applies to Infant Deaths of Births to Sample Mothers, record 58
Coding notes: 1971-1975:
Blank
1976-1987:
Alphabetic - See relevant registration control file
1988-1992:
See NHSDISIM
1993 onwards:
Blank - not coded.
Notes: Not available for analysis.
Units of measurement:  
Source: Birth registration Form 309
Former name of variable: NHSDISUIM, NHSDSUIM
Derived: N
Derivation: Not available
Subject:  
Date range: From: 19760101 To: 19871231 
Keyword: Geog
Classification:  
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: Y
Data type: Text
Length of field: 3