Name: corts1sk09
Description: Smoke 30 mins before first sample - Cortisol at 60-64 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. | 
Description: Smoke 30 mins before first sample - Cortisol at 60-64 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. | 
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| Coding | Meaning | 
|---|---|
| 2 | No | 
National Survey of Health and Development 1946 Cohort