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Section and category

Section Timings.Timings


Description

“Start time for Q3.4 to Q3.11 [Extra section for frequent alcohol drinkers only]”


Additional information

Metadata
contents Date and time
is_mandatory No

Data summary

Baseline




Year_Quarter freq pct_valid pct_tot
1987.4 1 0.00 0.00
2004.2 71 0.09 0.01
2004.3 1437 1.88 0.28
2004.4 3876 5.07 0.75
2005.1 4047 5.30 0.79
2005.2 5649 7.39 1.10
2005.3 3790 4.96 0.74
2005.4 5651 7.39 1.10
2006.1 4310 5.64 0.84
2006.2 6114 8.00 1.19
2006.3 5129 6.71 1.00
2006.4 6089 7.97 1.18
2007.1 4283 5.60 0.83
2007.2 5727 7.49 1.11
2007.3 5031 6.58 0.98
2007.4 6087 7.97 1.18
2008.1 3919 5.13 0.76
2008.2 4774 6.25 0.93
2008.3 434 0.57 0.08
2009.3 1 0.00 0.00
<NA> 438993 NA 85.17

Resurvey 1




Year_Quarter freq pct_valid pct_tot
1987.4 1 0.04 0.01
2008.2 253 9.93 1.28
2008.3 2170 85.20 10.96
2008.4 123 4.83 0.62
<NA> 17256 NA 87.14

Resurvey 2




Year_Quarter freq pct_valid pct_tot
2013.3 776 25.62 3.07
2013.4 1025 33.84 4.06
2014.1 347 11.46 1.37
2014.2 655 21.62 2.59
2014.3 226 7.46 0.89
<NA> 22223 NA 88.00




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

Page generated: 27-02-2024