LS variable metadata
Variable: MAMTBBM
Table: LBSM
Short description: Month of current marriage recorded at registration of birth to sample mother.
Full description:  
Coding notes: 1971-1985:
01-12 = January - December
Blank for births outside marriage If year of marriage is imputed then month of marriage is set to January or July
1986 onwards:
01-12 = January - December January or July may be substituted if year but not month stated
Notes:  
Units of measurement:  
Source: Draft entry for Births (Form 309) confidential particulars Question 3
Former name of variable:  
Derived: N
Derivation: Not available
Subject:  
Date range:  
Keyword: Marital
Classification:  
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) p342 (live birth registration draft entry form), p345(record of live birth form), pp24-25, pp95-96 and p108 (general details), pp99-101 (comparability of data), p108 and pp125-136 (data quality).