Description: Classifies responses to online questionnaire invitations.
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 |
|---|---|
| 0 | no response following invitation |
| 1 | partially completed following invitation |
| 2 | completed following invitation |
| 3 | partially completed without invitation |
| 4 | completed without invitation |
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