Variable breakdown

children

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Section and category

Medical History.Family

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Description

“How many children do you have? (Including only biological ones)”

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Additional information

	Metadata
validation	Soft max: 5 if current age <45
contents	No. of children
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
2.09	1.29	0	1	2	3	84	1.48	2	0.62	5.16	0	195.91	515413	100

Resurvey 1

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
2.16	1.25	0	1	2	3	32	1.48	2	0.58	2.03	0.02	22.1	19803	100

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
2.1	1.19	0	1	2	3	12	1.48	2	0.57	1.23	0.02	2.33	25054	99.22

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Between-survey agreement

[1] “Spearman’s correlation matrix:”

	Baseline	Resurvey1	Resurvey2
Baseline	1.000	0.964	0.948
Resurvey1	0.964	1.000	0.956
Resurvey2	0.948	0.956	1.000

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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