Description: Month of the next heart attack, since postal quesionnaire - 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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| Field ID | Description | Category |
|---|---|---|
| 7530 | Month of the next heart attack, since postal quesionnaire - at age 69 years | Heart and circulatory conditions |
National Survey of Health and Development 1946 Cohort