Variable breakdown

blood_transfusions

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Section and category

Medical History.Other

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Description

“Have many blood transfusions have you ever received?”

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Additional information

	Metadata
contents	No. of times
soft_max	10
hard_max	99
is_mandatory	Yes

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Data summary

Baseline

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
0.06	0.48	0	0	0	0	90	0	0	7.82	53.53	0	6804.05	515413	100

Resurvey 1

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
0.04	0.33	0	0	0	0	20	0	0	7.92	22.46	0.02	911.56	19803	100

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
0.06	0.44	0	0	0	0	30	0	0	7.04	31.53	0.02	1848.59	25054	99.22

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Between-survey agreement

Fleiss’ Kappa for m Raters:

N.participants	Surveys	Statistic	Coefficient	Z.statistic	p.value
14888	3	Kappa	0.377	90.321	0

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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