S39Q7 SIB A-IDENTICAL OR FRATERNAL-W1

Variable Description

Name
H1WS7A
Label
S39Q7 SIB A-IDENTICAL OR FRATERNAL-W1
Dataset
wave1

Summary Statistics for 'H1WS7A'

Value Valid Label Frequency % of Valid % of All
. Missing missing 1
0.00%
1 Valid identical 425
35.21%
2.05%
2 Valid fraternal 782
64.79%
3.77%
6 Missing refused 5
0.02%
7 Missing legitimate skip 19,529
94.14%
8 Missing don't know 3
0.01%
Total Responses Valid Invalid Min Max
20745 1207 19538 1 2

Representation

Representation Type
Code List
Selection Style
SelectOne
Measurement Unit
numeric
Measurement Unit
numeric
Aggregation Method
Unspecified
Temporal
False
Geographic
False

Source Questions

H1WS7A

Lineage

  • Wave I In-Home Interview Data - H1WS7A
    S39Q7 SIB A-IDENTICAL OR FRATERNAL-W1
    • H1WS7A
      7A. 1st Sibling: Are you and {NAME} identical twins or fraternal twins?

Concordance

Dataset Variable Valid Invalid Min First Quartile Median Third Quartile Max Mean StdDev
Wave I In-Home Interview Data H1WS7A 1,207 19,538 1 2
Wave II In-Home Interview H2WS7A 1,048 13,690 1 2