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Section and category

Smoking.Details


Description

“How soon after waking in the morning do you usually have your first smoke?”


Additional information

Metadata
contents Categorised
is_mandatory No

Data summary

Resurvey 2




value freq pct_valid pct_tot
<= 5 minutes 1398 28.76 5.54
6-30 minutes 1197 24.62 4.74
31-60 minutes 674 13.87 2.67
>60 minutes 1592 32.75 6.30
<NA> 20391 NA 80.75




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