Description: Do you usually bring up any phlegm (spit from the chest) first thing in the morning in winter?
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. |
WARNING: the interactive features of this website use CSS3, which your browser does not support. To use the full features of this website, please update your browser.
| Coding | Meaning |
|---|---|
| 0 | No |
| 1 | Yes |
| Field ID | Description | Category |
|---|---|---|
| 8645 | Do you usually bring up any phlegm (spit from the chest) first thing in the morning in winter? | Respiratory problems |
National Survey of Health and Development 1946 Cohort