Variable breakdown
asthma_now
Section and category
Medical History.Personal
Description
“Are you still on treatment for asthma?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
| is_dependent_on | asthma_diag |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 1810 | 64.07 | 0.35 |
| Yes | 1015 | 35.93 | 0.20 |
| <NA> | 512588 | NA | 99.45 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 64 | 66.67 | 0.32 |
| Yes | 32 | 33.33 | 0.16 |
| <NA> | 19707 | NA | 99.52 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 151 | 56.77 | 0.60 |
| Yes | 115 | 43.23 | 0.46 |
| <NA> | 24986 | NA | 98.95 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 6 | 3 | Kappa | 0.333 | 1.414 | 0.157 |
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