Variable breakdown
fam_smoke_exposure_hours
Section and category
Pollution.Details
Description
“What is the usual duration of your exposure per week?”
Additional information
| Metadata | |
|---|---|
| validation | Soft min: 1 (or 20 if Smoke_exposure is ‘daily’), Soft max: 39 (or 20 is Smoke_exposure is ‘1-2 days/week’) |
| contents | No. of hours |
| hard_min | 1 |
| hard_max | 80 |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11.34 | 10.13 | 1 | 4 | 7 | 20 | 80 | 7.41 | 16 | 0.89 | 1.83 | 0.03 | 5.67 | 5306 | 21.01 |
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