• Section and category
  • Description
  • Additional information
  • Data summary
  • Between-survey agreement
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Section and category

Smoking.Basic

Description

“How often do you smoke tobacco now?”

Additional information

Metadata
validation Soft min: 1 if smoked today
contents Categorised
is_mandatory Yes

Data summary




value freq pct_valid pct_tot
Do not smoke now 363985 70.62 70.62
Only occasionally 22959 4.45 4.45
Yes, on most days 3810 0.74 0.74
Yes, daily or almost every day 124659 24.19 24.19
<NA> 0 NA 0.00



value freq pct_valid pct_tot
Do not smoke now 11285 71.35 71.35
Only occasionally 677 4.28 4.28
Yes, on most days 125 0.79 0.79
Yes, daily or almost every day 3729 23.58 23.58
<NA> 0 NA 0.00



value freq pct_valid pct_tot
Do not smoke now 14526 73.35 73.35
Only occasionally 770 3.89 3.89
Yes, on most days 114 0.58 0.58
Yes, daily or almost every day 4393 22.18 22.18
<NA> 0 NA 0.00



value freq pct_valid pct_tot
Do not smoke now 19482 77.76 77.15
Only occasionally 711 2.84 2.82
Yes, on most days 150 0.60 0.59
Yes, daily or almost every day 4711 18.80 18.66
<NA> 198 NA 0.78



Between-survey agreement

Fleiss’ Kappa for m Raters:

N.participants Surveys Statistic Coefficient Z.statistic p.value
483 4 Kappa 0.785 49.741 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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Page generated: 27-02-2024