Name: hsid77
Description: Are your headaches on one side only - at age 31 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 8253
Name: hsid77
Name: hsid77
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4 Categories
| Coding | Meaning |
|---|---|
| 1 | Never |
| 2 | Sometimes |
| 3 | Usually |
| 4 | Always |
1 Data-Field
| Field ID | Description | Category |
|---|---|---|
| 8253 | Are your headaches on one side only - at age 31 years | Nervous system conditions |
National Survey of Health and Development 1946 Cohort