Name: corts1sk09
Description: Smoke 30 mins before first sample
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. |
Description: Smoke 30 mins before first sample
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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Coding | Meaning |
---|---|
2 | No |
National Survey of Health and Development 1946 Cohort