Description: When were you first told that you had blood pressure problems (year) - at age 76 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 |
|---|---|
| 9997 | Before 1998 |
| 9998 | More than 22 yrs ago |
| Field ID | Description | Category |
|---|---|---|
| 7635 | When were you first told that you had blood pressure problems (year) - at age 76 years | Heart and circulatory conditions |
National Survey of Health and Development 1946 Cohort