Variable breakdown
emph_bronc_now
Section and category
Medical History.Personal
Description
“Are you still on treatment for emphysema/bronchitis?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
| is_dependent_on | emph_bronc_diag |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 9022 | 67.61 | 1.75 |
| Yes | 4323 | 32.39 | 0.84 |
| <NA> | 502068 | NA | 97.41 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 332 | 68.45 | 1.68 |
| Yes | 153 | 31.55 | 0.77 |
| <NA> | 19318 | NA | 97.55 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 200 | 2 | Kappa | 0.286 | 4.038 | 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