Name: hak89
Description: Have you ever had severe headaches or migraine - at age 43 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. |
Data-Coding 8261
Name: hak89
Name: hak89
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3 Categories
| Coding | Meaning |
|---|---|
| 0 | No |
| 1 | Yes, once |
| 2 | Recurring |
1 Data-Field
| Field ID | Description | Category |
|---|---|---|
| 8261 | Have you ever had severe headaches or migraine - at age 43 years | Nervous system conditions |
National Survey of Health and Development 1946 Cohort