Variable breakdown

outpatient_hosp_visits

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Section and category

Medical History.Personal

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Description

“How many times during the past 12 months have you visited hospital as an outpatient for any reason?”

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Additional information

	Metadata
validation	Soft min: Warn if 0 but COPD questionnaire says otherwise
contents	No. of visits
soft_max	49
hard_max	99
is_mandatory	Yes

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Data summary

Resurvey 1

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
0.65	2.6	0	0	0	1	99	0	1	3.98	14.38	0.02	355.6	19803	100

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
1.03	2.32	0	0	0	1	50	0	1	2.25	6.72	0.02	77.89	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	2	Kappa	0.062	11.635	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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Page generated: 27-02-2024