LS variable metadata
Variable: MOMOMTNB
Table: NBIR
Short description: Age at marriage (months since birthday) of mother of new birth on LS date.
Full description:  
Coding notes: 1971-1985:
00-11 = Completed months since last birthday at time of marriage
space= Birth outside marriage or age of mother given rather than date of birth or age of mother imputed or mother's age at marriage under 17 and either: (a) month of mother's birth not stated or (b) year and/or month of marriage not stated
1986 onwards:
00-11 = Completed months since last birthday at time of marriage
Notes:  
Units of measurement:  
Source: Draft entry for Births (Form 309): derived from confidential particulars Questions 2 and 3
Former name of variable: MOMOMTBNB
Derived: N
Derivation: Not available
Subject:  
Date range:  
Keyword: Marital Age
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, pp94-95 (general details), pp99-101 (comparability of data), pp109-115 (data quality).