LS variable metadata
Variable: NHSDHBIM
Table: IDMI
Short description: NHS DHA code of usual address of sample mother at birth of child (1987 - 1992)
Full description:  
Coding notes: 1971-1981:
Blank - Not coded. See HDEBIM
Blank - Not coded. See DHAEBIM
1st character = 1st character of NHS DHA code 2nd character = 2nd character of NHS DHA code 3rd character = 3rd character of NHS DHA code See Events Appendix 5
1993 onwards:
Not available, replaced by HDISRMIM/HREGRMIM.
Notes: This variable has been created during the reformat of Infant Mortality data (ICL to Model 204 transfer) by merging NHDH1BIM, NHDH2BIM and NHDH3BIM.
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
Date range: From: 19870101 To: 19921231 
Keyword: Geog
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: N
Data type: Text
Length of field: 3
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).
Reference 2: Events Appendix 5