Variable breakdown
father_heart_attack
Section and category
Medical History.Family
Description
“Has your father had a heart attack?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 506266 | 98.45 | 98.23 |
| Yes | 7980 | 1.55 | 1.55 |
| <NA> | 1167 | NA | 0.23 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 19460 | 98.43 | 98.27 |
| Yes | 310 | 1.57 | 1.57 |
| <NA> | 33 | NA | 0.17 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 24347 | 97.55 | 96.42 |
| Yes | 611 | 2.45 | 2.42 |
| <NA> | 294 | NA | 1.16 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 14787 | 3 | Kappa | 0.342 | 72.107 | 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