Variable breakdown
cancer_diag
Section and category
Medical History.Personal
Description
“Has a doctor EVER told you that you had cancer?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 512818 | 99.5 | 99.5 |
| Yes | 2595 | 0.5 | 0.5 |
| <NA> | 0 | NA | 0.0 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 19671 | 99.33 | 99.33 |
| Yes | 132 | 0.67 | 0.67 |
| <NA> | 0 | NA | 0.00 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 24761 | 98.83 | 98.06 |
| Yes | 293 | 1.17 | 1.16 |
| <NA> | 198 | NA | 0.78 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 14888 | 3 | Kappa | 0.362 | 76.401 | 0 |
International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF
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Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)
Page generated: 27-02-2024