LS variable metadata
Variable: BIWGRIM
Table: IDMI
Short description: Birthweight (grammes) of birth to sample mother.
Full description:  
Coding notes: Registrations in 1971-75:
Blank
Registrations from 1976 onwards:
0001-9999 = weight in grammes
---- = birthweight not stated

Coding scheme

ValueMeaning
-7Not known

Notes:  
Units of measurement:  
Source: Draft entry for births (Form 309).
Former name of variable: BIWEGRBIM
Derived: N
Derivation: Not available
Subject:  
Date range:  
Keyword: Fertility
Classification:  
Comparable variables for other individuals:  
Comparable variables for other times:  
Restricted: N
Data type: Text
Length of field: 4
Reference 1: See LS Technical Volume (Hattersley and Creeser, 1995), page 343 (death registration draft entry form), page 25 and page 96 (general details), pp. 99-104 (comparability), pp. 141-145 (data quality).