Variable breakdown
mother_heart_attack
Section and category
Medical History.Family
Description
“Has your mother had a heart attack?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 507653 | 98.66 | 98.49 |
| Yes | 6912 | 1.34 | 1.34 |
| <NA> | 848 | NA | 0.16 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 19494 | 98.61 | 98.44 |
| Yes | 275 | 1.39 | 1.39 |
| <NA> | 34 | NA | 0.17 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 24439 | 97.81 | 96.78 |
| Yes | 547 | 2.19 | 2.17 |
| <NA> | 266 | NA | 1.05 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 14821 | 3 | Kappa | 0.24 | 50.601 | 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