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Section and category

Medical History.Family


Description

“Has your father had a stroke?”


Additional information

Metadata
contents Categorised
is_mandatory No

Data summary

Baseline




value freq pct_valid pct_tot
No 465204 90.46 90.26
Yes 49042 9.54 9.52
<NA> 1167 NA 0.23

Resurvey 1




value freq pct_valid pct_tot
No 17806 90.07 89.92
Yes 1964 9.93 9.92
<NA> 33 NA 0.17

Resurvey 2




value freq pct_valid pct_tot
No 22456 89.98 88.93
Yes 2502 10.02 9.91
<NA> 294 NA 1.16




Between-survey agreement

Fleiss’ Kappa for m Raters:

N.participants Surveys Statistic Coefficient Z.statistic p.value
14787 3 Kappa 0.517 108.964 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