Smoking.Details
“How many months ago did you last try to quit smoking? (if years < 2)”
Metadata | |
---|---|
validation | Hard min: 1 if stopped 0 years ago; 12 if stopped 1 year ago, Hard max: 11 if stopped 0 years ago; 23 if stopped 1 year ago |
contents | No. of months |
is_mandatory | No |
mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
8.11 | 5.4 | 1 | 3 | 8 | 12 | 23 | 5.93 | 9 | 0.67 | 0.12 | 0.12 | -1.13 | 389 | 1.54 |
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
Tel: +44 (0)1865 743743 | Fax: +44 (0)1865 743985 | Email: ckbaccess@ndph.ox.ac.uk
Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)
Page generated: 27-02-2024