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Section and category

Medical History.Lungs


Description

“If you were walking on level ground with other healthy people of the same age, would you usually slow down due to chest discomfort?”


Additional information

Metadata
contents Categorised
is_mandatory Yes

Data summary

Baseline




value freq pct_valid pct_tot
Yes 16634 3.23 3.23
No 498238 96.67 96.67
Disabled 541 0.10 0.10
<NA> 0 NA 0.00

Resurvey 1




value freq pct_valid pct_tot
Yes 427 2.16 2.16
No 19350 97.71 97.71
Disabled 26 0.13 0.13
<NA> 0 NA 0.00

Resurvey 2




value freq pct_valid pct_tot
Yes 1768 7.06 7.00
No 23185 92.54 91.81
Disabled 101 0.40 0.40
<NA> 198 NA 0.78




Between-survey agreement

Fleiss’ Kappa for m Raters:

N.participants Surveys Statistic Coefficient Z.statistic p.value
14888 3 Kappa 0.093 20.478 0


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