S39Q7 SIB D-IDENTICAL OR FRATERNAL-W1
Variable Description
Representation
Representation Type
Code List
Selection Style
SelectOne
Measurement Unit
numeric
Codes
Measurement Unit
numeric
Aggregation Method
Unspecified
Temporal
False
Geographic
False
Represented Variable
Missing Values
Source Questions
H1WS7DLineage
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Wave I In-Home Interview Data - H1WS7DS39Q7 SIB D-IDENTICAL OR FRATERNAL-W1
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7D. 4th Sibling: Are you and {NAME} identical twins or fraternal twins?
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Concordance
Dataset | Variable | Valid | Invalid | Min | First Quartile | Median | Third Quartile | Max | Mean | StdDev |
---|---|---|---|---|---|---|---|---|---|---|
Wave I In-Home Interview Data | H1WS7D | 4 | 20,741 | 2 | 2 | |||||
Wave II In-Home Interview | H2WS7D | 2 | 14,736 | 2 | 2 |