Variable breakdown
has_blood_tests
Section and category
Physical Exam.Blood-tests_notes
Description
“Does this participant have an entry in blood_tests?, Does this participant have an entry in rs_blood_tests?, Does this participant have an entry in r2_blood_tests?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 8160 | 1.58 | 1.58 |
| Yes | 507253 | 98.42 | 98.42 |
| <NA> | 0 | NA | 0.00 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 76 | 0.38 | 0.38 |
| Yes | 19727 | 99.62 | 99.62 |
| <NA> | 0 | NA | 0.00 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 117 | 0.46 | 0.46 |
| Yes | 25135 | 99.54 | 99.54 |
| <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 | 0.003 | 0.723 | 0.47 |
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