LS variable metadata
Variable: UCDEXDIM
Table: IDFI
Short description: ICD9 4th digit of underlying cause of death (deaths 1979 onwards)
Full description:  
Coding notes: Fifth digit of final underlying cause of death, 0-9, '-', Space
1979 onwards:
0-9, '-'
1986 onwards:
space= neonatal death
See Events Appendix 4
Units of measurement:  
Source: Draft death entry (Form 310) Question 8
Former name of variable: UCADEXDDIM
Derived: N
Derivation: Not available
Date range:  
Keyword: Mortality
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: N
Data type: Text
Length of field: 2
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 4