Variable breakdown
has_spirometry
Section and category
Physical Exam.Lung function
Description
“Does this participant have an entry in spirometry?, Does this participant have an entry in rs_spirometry?, Does this participant have an entry in r2_spirometry?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 2700 | 0.52 | 0.52 |
| Yes | 512713 | 99.48 | 99.48 |
| <NA> | 0 | NA | 0.00 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 19803 | 100 | 100 |
| Yes | 0 | 0 | 0 |
| <NA> | 0 | NA | 0 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 25252 | 100 | 100 |
| Yes | 0 | 0 | 0 |
| <NA> | 0 | NA | 0 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 15005 | 3 | Kappa | -0.5 | -106.02 | 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