Description: Has the participant consented for bloods to be taken - at age 69 years
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 | Bloods can be taken |
| Field ID | Description | Category |
|---|---|---|
| 8991 | Has the participant consented for bloods to be taken - at age 69 years | Blood sample |
National Survey of Health and Development 1946 Cohort