Description: Whether Covid-19 postal survey was completed by proxy on behalf of the study member
This is a flat (unstructured) list which uses integers to represent categories or special values.
| Coding can be downloaded here as a tab-separated file. |
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| Coding | Meaning |
|---|---|
| 1 | Yes |
| Field ID | Description | Category |
|---|---|---|
| 12107 | Whether Covid-19 postal survey was completed by proxy on behalf of the study member | Data collection information |
National Survey of Health and Development 1946 Cohort