LS variable metadata
Variable: MOAGYRBM
Table: LBSM
Short description: Age (years) of sample mother at birth of child.
Full description:  
Coding notes: 11-55 = Age in completed years
In some cases age (rather than date of birth) is stated on the draft in answer to confidential particulars Question 2 If confidential particulars Question 2 is not answered an age is imputed.
1971-1985:
Imputed if mother's date of birth not stated
1986 onwards:
Imputed if mother's year of birth not stated. If only day and/or month of mother's birth is not stated, day and/or month of maternity is substituted
Notes:  
Units of measurement:  
Source: Draft entry for Births (Form 309) derived from Question 1 and confidential particulars Question 2 Calculated using date of birth of child and date of birth of mother
Former name of variable: MOAGYRBBM, MAGYRBM
Derived: N
Derivation: Not available
Subject:  
Date range:  
Keyword: Age Fertility
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).