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Section and category

Medical History.Personal


Description

“Has a doctor EVER told you that you had copd?”


Additional information

Metadata
contents Categorised
is_mandatory Yes

Data summary

Resurvey 2




value freq pct_valid pct_tot
No 25000 99.78 99.00
Yes 54 0.22 0.21
<NA> 198 NA 0.78




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