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Section and category

Medical History.Personal


Description

“Has a doctor EVER told you that you had rheumatic heart disease?”


Additional information

Metadata
contents Categorised
is_mandatory Yes

Data summary

Baseline




value freq pct_valid pct_tot
No 514473 99.82 99.82
Yes 940 0.18 0.18
<NA> 0 NA 0.00

Resurvey 1




value freq pct_valid pct_tot
No 19773 99.85 99.85
Yes 30 0.15 0.15
<NA> 0 NA 0.00

Resurvey 2




value freq pct_valid pct_tot
No 24967 99.65 98.87
Yes 87 0.35 0.34
<NA> 198 NA 0.78




Between-survey agreement

Fleiss’ Kappa for m Raters:

N.participants Surveys Statistic Coefficient Z.statistic p.value
14888 3 Kappa 0.421 88.985 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