Description: Used to obscure dates which are near to participant DOB.
This is a flat (unstructured) list which uses dates to represent categories or special values.
| Coding can be downloaded here as a tab-separated file. |
WARNING: the interactive features of this website use CSS3, which your browser does not support. To use the full features of this website, please update your browser.
| Coding | Meaning |
|---|---|
| 1904-04-04 | Date in or before calendar year of birth |
| Field ID | Description | Category |
|---|---|---|
| 22700 | Date first recorded at location [obsolete] | Home locations |
Enabling scientific discoveries that improve human health