Variable breakdown
copd_phlethysmograph
Section and category
Physical Exam.COPD questionnaire
Description
“Have you ever had your lung function tested in a chamber, called a phlethysmograph?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Yes | 193 | 6.66 | 0.76 |
| No | 2604 | 89.89 | 10.31 |
| Don’t know | 100 | 3.45 | 0.40 |
| <NA> | 22355 | NA | 88.53 |
Between-survey agreement
No agreement analysis available
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