LS variable metadata
Variable: MADUMTBF
Table: LBSF
Short description: Duration of current marriage (months since anniversary) at birth to sample father.
Full description:  
Coding notes: 00-11 = Completed months since last anniversary of marriage
space= Birth outside marriage
Notes: Only births to sample fathers in 1971-78 and 1981 were linked to the LS
Calculated from date of birth of child and date of marriage of parents If the date of marriage of parents is imputed then day of marriage is taken as 16th
Units of measurement:  
Source: Draft entry for Births (Form 309) or draft entry for stillbirths (Form 308): derived from Question 1 and confidential particulars Question 3
Former name of variable: MADUMTBBF
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: Numeric
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,p108 (general details), pp99-101 (comparability of data), p108 & p136 (data quality).