Variable breakdown
gall_now
Section and category
Medical History.Personal
Description
“Are you still on treatment for gallstone/gallbladder disease?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
| is_dependent_on | gall_diag |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 26798 | 85.97 | 5.20 |
| Yes | 4375 | 14.03 | 0.85 |
| <NA> | 484240 | NA | 93.95 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 1084 | 89.66 | 5.47 |
| Yes | 125 | 10.34 | 0.63 |
| <NA> | 18594 | NA | 93.89 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 2000 | 82.68 | 7.92 |
| Yes | 419 | 17.32 | 1.66 |
| <NA> | 22833 | NA | 90.42 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 361 | 3 | Kappa | 0.157 | 5.15 | 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