LS variable metadata
Variable: SPDIENB
Table: NBIRx
Short description: Split district (1982 - 1986 only) of usual address of mother (part of expanded area code)
Full description:  
Coding notes: 1971 - 05/04/81: Blank. See BUBRENB 06/04/81 - 1986: Coded, but not available for analysis 1987 onwards: See 1st character of NHSDHNB
Notes: Not available for analysis.
Units of measurement:  
Source: Draft entry for Births (Form 309): Question 10
Former name of variable:  
Derived: N
Derivation: Not available
Date range: From: 19810406 To: 19861231 
Keyword: Geog
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: Y
Data type: Text
Length of field: 1