Sibling: Are you and {NAME} identical twins or fraternal twins? (sibling 1)
Add Health
Wave II In-Home Interview
S38Q7 IDENTICAL OR FRATERNAL-W2
Represented Variable
Name
H2WS7A
Label
Sibling: Are you and {NAME} identical twins or fraternal twins? (sibling 1)
Conceptual Variable
Sibling: Are you and {NAME} identical twins or fraternal twins? (sibling 1)Representation Type
Code List
Selection Style
SelectOne
Measurement Unit
numeric
Codes
identical, fraternal
identicalConcordance
| Add Health | ||||
|---|---|---|---|---|
| Wave I | Wave II | |||
| Wave I In-Home Interview | Wave II In-Home Interview | |||
| Wave I In-Home Interview Data | Wave II In-Home Interview | |||
| H1WS7A | H2WS7A | |||
| identical |
35.21%
|
33.68%
|
||
| fraternal |
64.79%
|
66.32%
|
||
| Add Health | ||||
|---|---|---|---|---|
| Wave I | Wave II | |||
| Wave I In-Home Interview | Wave II In-Home Interview | |||
| Wave I In-Home Interview Data | Wave II In-Home Interview | |||
| H1WS7A | H2WS7A | |||
| identical |
2.05%
|
2.40%
|
||
| fraternal |
3.77%
|
4.72%
|
||
| 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 |
| Add Health | ||||
|---|---|---|---|---|
| Wave I | Wave II | |||
| Wave I In-Home Interview | Wave II In-Home Interview | |||
| Wave I In-Home Interview Data | Wave II In-Home Interview | |||
| H1WS7A | H2WS7A | |||
| identical | 1 | 1 | ||
| fraternal | 2 | 2 | ||