Variable breakdown
head_injury_now
Section and category
Medical History.Personal
Description
“Are you still on treatment for head injury?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
| is_dependent_on | head_injury_diag |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 5481 | 96.58 | 1.06 |
| Yes | 194 | 3.42 | 0.04 |
| <NA> | 509738 | NA | 98.90 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 160 | 96.97 | 0.81 |
| Yes | 5 | 3.03 | 0.03 |
| <NA> | 19638 | NA | 99.17 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 422 | 90.75 | 1.67 |
| Yes | 43 | 9.25 | 0.17 |
| <NA> | 24787 | NA | 98.16 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 18 | 3 | Kappa | -0.102 | -0.75 | 0.453 |
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