LS variable metadata
Variable: MAMTINNB
Table: NBIR
Short description: Imputation indicator for month of marriage of mother of new birth on LS date.
Full description:  
Coding notes: 1 = Month of marriage imputed
space = Month of marriage not imputed. See details for variable MAMTBNB.
Units of measurement:  
Former name of variable: MAMTINANB
Derived: N
Derivation: Not available
Date range: From: 19790101 To: 19910420 
Keyword: Marital
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) p342 (live birth registration draft entry form), p345 (record of live birth form), pp24-25, pp94-95 (general details), pp99-101 (comparability of data), pp109-115 (data quality).