Variable breakdown
totalvitd_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 | 9121 | 99.98 | 1.77 |
| Yes | 2 | 0.02 | 0.00 |
| <NA> | 506290 | NA | 98.23 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 336 | 100 | 1.7 |
| Yes | 0 | 0 | 0.0 |
| <NA> | 19467 | NA | 98.3 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 623 | 100 | 2.47 |
| Yes | 0 | 0 | 0.00 |
| <NA> | 24629 | NA | 97.53 |
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