LS variable metadata
Variable: MMAGMTIM
Table: IDMI
Short description: Age (months since last birthday) of sample mother at birth of child.
Full description:  
Coding notes: 1971-1985:
00-11 = Completed months since last birthday
space= Age imputed, or age (rather than date of birth) stated on the draft form in answer to confidential particulars Question 2.
1986 onwards:
00-11, Spaces
Month is assumed to be 06 if age given in place of date of birth on original entry.
Notes:  
Units of measurement:  
Source: Draft entry for births (Form 309) or draft entry for stillbirths (Form 308). Derived from Question 1 and confidential particulars Question 2
Former name of variable: MMOAGMTCIM
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), page 343 (death registration draft entry form), page 25 and page 96 (general details), pp. 99-104 (comparability), pp. 141-145 (data quality).