LS variable metadata
Variable: BIYRABF
Table: LBSF
Short description: Year of birth to sample father.
Full description:  
Coding notes: 1971-1978, 1981 (i.e. year, in full 4-digit numeric form).
This has been calculated by: (a) Subtracting one from year of registration if month of occurrence is greater than month of registration (b) Making year of registration the year of occurrence if month of occurrence is not greater than month of registration.
Notes: Only births to sample fathers in 1971-78 and 1981 were linked to the LS
Units of measurement:  
Source: Draft entry for births (Form 309) or Draft entry for stillbirths (Form 308 ): Question 1
Former name of variable:  
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: 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).