Description: Artificial coding created post-hoc to characterise free-text reasons entered UKB assessments
This is a hierarchical tree-structured dictionary 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 | Node | Parent |
|---|---|---|---|
| 100 | Declined | 100 | Top |
| 101 | Against participant wishes | 101 | 100 |
| 102 | Lack of time | 102 | 100 |
| 103 | Feeling unwell | 103 | 100 |
| 200 | Equipment failure | 200 | Top |
| 201 | Malfunction | 201 | 200 |
| 202 | Not available | 202 | 200 |
| 300 | Reason not known | 300 | Top |
| 400 | Unable | 400 | Top |
| 405 | Other health reason | 405 | 400 |
| 700 | Sample already provided | 700 | Top |
| Field ID | Description | Category |
|---|---|---|
| 20071 | Reason no saliva sample collected | Saliva sample collection |
| 20072 | Reason no urine sample collected | Urine sample collection |
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