LS variable metadata
Variable: MOBIDYBM
Table: LBSMx
Short description: Day of birth (where discrepant) of sample mother.
Full description:  
Coding notes: 01-31
From 1993 onwards, extra code
@@ = incomplete or missing data
Notes: Not available for analysis.
MOBIDYBM will only be present if any or all of the component parts of the quoted date of birth ie year, month or day, are discrepant with the date of birth held on the LS member's core record.
Units of measurement:  
Source: Draft entry for Births (Form 309) confidential particulars Question 2
Former name of variable: MOBIDYFBM
Derived: N
Derivation: Not available
Date range:  
Keyword: Age Fertility
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: Y
Data type: Text
Length of field: 2