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Section and category

Section Timings.Timings


Description

“Start time for tea/alcohol/smoking section (QC7)”


Additional information

Metadata
contents Date and time
is_mandatory Yes

Data summary

Qc




Year_Quarter freq pct_valid pct_tot
2004.2 5 0.03 0.03
2004.3 181 1.14 1.14
2004.4 668 4.22 4.22
2005.1 542 3.43 3.43
2005.2 1065 6.73 6.73
2005.3 878 5.55 5.55
2005.4 1175 7.43 7.43
2006.1 715 4.52 4.52
2006.2 1244 7.87 7.87
2006.3 1083 6.85 6.85
2006.4 1158 7.32 7.32
2007.1 751 4.75 4.75
2007.2 1225 7.75 7.75
2007.3 980 6.20 6.20
2007.4 1659 10.49 10.49
2008.1 979 6.19 6.19
2008.2 1296 8.19 8.19
2008.3 212 1.34 1.34
<NA> 0 NA 0.00




Between-survey agreement

No agreement analysis available



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