Variable breakdown
alb_invalid
Section and category
Biochemistry Data.Blood biomarkers (lab)
Description
“Is this result marked as invalid?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 17018 | 99.99 | 3.3 |
| Yes | 2 | 0.01 | 0.0 |
| <NA> | 498393 | NA | 96.7 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 343 | 100 | 1.73 |
| Yes | 0 | 0 | 0.00 |
| <NA> | 19460 | NA | 98.27 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 1260 | 99.92 | 4.99 |
| Yes | 1 | 0.08 | 0.00 |
| <NA> | 23991 | NA | 95.01 |
Between-survey agreement
No agreement analysis available
International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF
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Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)
Page generated: 27-02-2024