LS variable metadata
Variable: FAAGYRNB
Table: NBIR
Short description: Age (years) of father at birth of child born on LS date.
Full description:  
Coding notes: 11-95 = Age in completed years (May be imputed)
1971-1985:
Calculated using date of birth of child and date of birth of father. Imputed if father's date of birth not stated. Blank for births outside marriage and not registered jointly
1986 onwards:
Calculated using date of birth of child and date of birth of father. Imputed if father's 'Year of birth' not stated If only day and/or month of father's birth is not stated, day and or month of maternity is substituted Blank for births outside marriage and not registered jointly.
Notes:  
Units of measurement:  
Source: Draft entry for Births (Form 309): derived from Q uestion 1 and Confidential particulars Question 1
Former name of variable: FAAGYRBNB
Derived: N
Derivation: Not available
Subject:  
Date range:  
Keyword: 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).