Name: cw1_group
Description: Mode of questionnaire, postal or web
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 12364
Name: cw1_group
Name: cw1_group
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2 Categories
| Coding | Meaning |
|---|---|
| 6 | NSHD Web Questionnaire |
| 7 | NSHD Postal Questionnaire |
1 Data-Field
| Field ID | Description | Category |
|---|---|---|
| 12364 | Mode of questionnaire, postal or web | Data collection information |
National Survey of Health and Development 1946 Cohort