Description: What was the blow session quality as per the lung function software - at age 69 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 |
|---|---|
| 1 | A |
| 2 | B |
| 3 | C |
| 4 | C2 |
| 5 | D1 |
| 6 | D2 |
| 7 | F |
| Field ID | Description | Category |
|---|---|---|
| 9220 | What was the blow session quality as per the lung function software - at age 69 years | Spirometry |
National Survey of Health and Development 1946 Cohort