Name: iud40
Description: Did you have an IUD from 40 to 49 years? - at age 51
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 20777
Name: iud40
Name: iud40
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1 Categories
| Coding | Meaning |
|---|---|
| 4 | 40-49 years |
4 Data-Fields
National Survey of Health and Development 1946 Cohort