Variable breakdown

sbp_first

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Section and category

Physical Exam.Blood pressure

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Description

“First SBP measurement”

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Additional information

	Metadata
contents	No. of mmHg
soft_min	80
soft_max	220
hard_min	50
hard_max	300
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
132.09	21.54	60	117	129	144	289	19.27	27	0.16	0.87	0	1.26	515413	100

Qc

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
129.63	19.57	75	116	127	140	239	17.79	24	0.15	0.74	0.02	0.95	15816	100

Resurvey 1

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
127.38	20.29	75	112	125	139	250	19.27	27	0.16	0.8	0.02	0.99	19803	100

Resurvey 2

mean	sd	min	q1	med	q3	max	mad	iqr	cv	skewness	se.skewness	kurtosis	n.valid	pct.valid
137.3	21.27	50	122	135	150	263	20.76	28	0.15	0.61	0.02	0.53	25082	99.33

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Between-survey agreement

[1] “Spearman’s correlation matrix:”

	Baseline	Qc	Resurvey1	Resurvey2
Baseline	1.000	0.822	0.699	0.517
Qc	0.822	1.000	0.683	0.515
Resurvey1	0.699	0.683	1.000	0.582
Resurvey2	0.517	0.515	0.582	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