Variable breakdown
smoking_quit_months_dur
Section and category
Smoking.Details
Description
“How many months did you last quit smoking for? (if years < 2)”
Additional information
| 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 |
Data summary
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 4.34 | 4.23 | 1 | 1 | 2 | 6 | 20 | 1.48 | 5 | 0.97 | 1.37 | 0.07 | 0.98 | 1255 | 4.97 |
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