Variable breakdown
smoking_cigars
Section and category
Smoking.Details
Description
“How many cigars do you usually smoke per day (or did you smoke before giving up)?”
Additional information
| Metadata | |
|---|---|
| validation | Soft max: Male: 20; Female: 20 |
| contents | Liang/month |
| hard_min | 0 |
| hard_max | 99 |
| is_mandatory | Yes |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.01 | 0.31 | 0 | 0 | 0 | 0 | 60 | 0 | 0 | 57.49 | 94.04 | 0.01 | 12638.97 | 166674 | 32.34 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0 | 0.13 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 61.13 | 72.69 | 0.03 | 5458.41 | 6015 | 30.37 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.01 | 0.21 | 0 | 0 | 0 | 0 | 10 | 0 | 0 | 30.79 | 39.28 | 0.03 | 1655.32 | 6739 | 26.69 |
Between-survey agreement
[1] “Spearman’s correlation matrix:”| Baseline | Resurvey1 | Resurvey2 | |
|---|---|---|---|
| Baseline | 1.000 | 0.353 | -0.001 |
| Resurvey1 | 0.353 | 1.000 | -0.001 |
| Resurvey2 | -0.001 | -0.001 | 1.000 |
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