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Section and category

Medical History.Family


Description

“Has your mother had cancer?”


Additional information

Metadata
contents Categorised
is_mandatory No

Data summary

Baseline




value freq pct_valid pct_tot
No 484355 94.13 93.97
Yes 30210 5.87 5.86
<NA> 848 NA 0.16

Resurvey 1




value freq pct_valid pct_tot
No 18481 93.48 93.32
Yes 1288 6.52 6.50
<NA> 34 NA 0.17

Resurvey 2




value freq pct_valid pct_tot
No 23362 93.5 92.52
Yes 1624 6.5 6.43
<NA> 266 NA 1.05




Between-survey agreement

Fleiss’ Kappa for m Raters:

N.participants Surveys Statistic Coefficient Z.statistic p.value
14821 3 Kappa 0.583 123.005 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