LS variable metadata
Variable: MLCSAIM
Table: IDMI
Short description: Multiple code for birth to sample mother.
Full description:  
Coding notes: space= Not a multiple birth
00-29 = Multiple birth, see Events Appendix 1
99 = Quadruplets (or more)

Coding scheme

ValueMeaning
0Twins ; 2 live born males
1Twins ; 1 live born male and 1 live born female
2Twins ; 2 live born females
3Twins ; 1 live born male and 1 still born male
4Twins ; 1 live born male and 1 still born female
5Twins ; 1 live born female and 1 still born male
6Twins ; 1 live born female and 1 still born female
7Twins ; 2 still born males
8Twins ; 1 still born male and 1 still born female
9Twins ; 2 still born females
10Triplets ; 3 live born males
11Triplets ; 2 live born males and 1 live born female
12Triplets ; 1 live born male and 2 live born females
13Triplets ; 3 live born females
14Triplets ; 2 live born males and 1 still born male
15Triplets ; 2 live born males and 1 still born female
16Triplets ; 1 live born male, 1 live born female and 1 still
17Triplets ; 1 live born male, 1 live born female and 1 still
18Triplets ; 2 live born females and 1 still born male
19Triplets ; 2 live born females and 1 still born female
20Triplets ; 1 live born male and 2 still born males
21Triplets ; 1 live born male, 1 still born male and 1 still b
22Triplets ; 1 live born male and 2 still born females
23Triplets ; 1 live born female and 2 still born males
24Triplets ; 1 live born female, 1 still born male and 1 still
25Triplets ; 1 live born female and 2 still born females
26Triplets ; 3 still born males
27Triplets ; 2 still born males and 1 still born female
28Triplets ; 1 still born male and 2 still born females
29Triplets ; 3 still born females
99Quadruplets or more
-9Missing

Notes:  
Units of measurement:  
Source: Draft entry for births (Form 309) or draft entry for stillbirths (Form 308): Question 3 and Box X
Former name of variable:  
Derived: N
Derivation: Not available
Subject:  
Date range: To: 19810405 
Keyword: 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).
Reference 2: Events Appendix 1