Variable breakdown
has_blood_retests
Section and category
Physical Exam.Blood-tests_notes
Description
“Does this participant have an entry in blood_retests?, Does this participant have an entry in rs_blood_retests?, Does this participant have an entry in r2_blood_retests2?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 494796 | 96 | 96 |
| Yes | 20617 | 4 | 4 |
| <NA> | 0 | NA | 0 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 18816 | 95.02 | 95.02 |
| Yes | 987 | 4.98 | 4.98 |
| <NA> | 0 | NA | 0.00 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 24627 | 97.52 | 97.52 |
| Yes | 625 | 2.48 | 2.48 |
| <NA> | 0 | NA | 0.00 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 15005 | 3 | Kappa | 0.11 | 23.344 | 0 |
International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF
Tel: +44 (0)1865 743743 | Fax: +44 (0)1865 743985 | Email: ckbaccess@ndph.ox.ac.uk
Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)
Page generated: 27-02-2024