LS variable metadata
Variable: OPONFOBM
Table: SBSM
Short description: Operation on foetus indicator for stillbirth to sample mother
Full description:  
Coding notes: 1971- 2 Dec 1986:
Not available
3/12/86 - 31/12/92:
3= operation on foetus
4= operation on mother
5= operation on foetus and mother
space= no operation
1993 onwards:
Blank- not applicable.
Units of measurement:  
Source: Draft entry for stillbirths (Form 308): coding comments for cause of stillbirth.
Former name of variable:  
Derived: N
Derivation: Not available
Date range: From: 19861203 To: 19921231 
Keyword: Mortality
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: N
Data type: Text
Length of field: 1
Reference 1: See LS Technical Volume (Hattersley and Creeser, 1995), page 342 (stillbirth registration draft entry form), page 25 and pp. 95-96 (general details), pp. 99-101 and page 103 (comparability), page 108 and pp. 125-136 (data quality).