combined_dep_and_ckb_logo

Section and category

Medical History.Personal


Description

“Year of last hospitalisation for head injury”


Additional information

Metadata
contents 4 digit year
is_mandatory No
is_dependent_on head_injury_diag

Data summary

Resurvey 1




mean sd min q1 med q3 max mad iqr cv skewness se.skewness kurtosis n.valid pct.valid
1996.4 12.38 1952 1992 2001 2006 2008 8.9 13.75 0.01 -1.45 0.23 1.56 106 0.54

Resurvey 2




mean sd min q1 med q3 max mad iqr cv skewness se.skewness kurtosis n.valid pct.valid
1998.56 13.73 1952 1990.5 2003 2009 2014 11.86 18.25 0.01 -1.1 0.15 0.52 276 1.09




Between-survey agreement

[1] “Spearman’s correlation matrix:”

Resurvey1 Resurvey2
Resurvey1 1.000 0.492
Resurvey2 0.492 1.000


International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF

Tel: +44 (0)1865 743743 | Fax: +44 (0)1865 743985 | Email:

Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)

Page generated: 27-02-2024