Variable breakdown

asthma_diag_age

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Section and category

Medical History.Personal

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Description

“Age at first diagnosis of asthma”

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Additional information

	Metadata
contents	Age in years
is_mandatory	No
is_dependent_on	asthma_diag

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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
32.18	19.52	0	15	33	48	75	25.2	33	0.61	0.08	0.05	-1.08	2825	0.55

Resurvey 1

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
33.59	21.18	2	12	31.5	50	75	28.17	38	0.63	0.15	0.25	-1.29	96	0.48

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
40.82	19.69	1	25	43	58	75	24.46	33	0.48	-0.33	0.15	-0.95	266	1.05

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Between-survey agreement

[1] “Spearman’s correlation matrix:”

	Baseline	Resurvey1	Resurvey2
Baseline	1.000	0.812	0.657
Resurvey1	0.812	1.000	0.899
Resurvey2	0.657	0.899	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