Variable breakdown
cig_equiv_day
Section and category
Smoking.Details
Description
“Cigarette equivalents smoked per day”
Additional information
| Metadata | |
|---|---|
| contents | No./day |
| is_mandatory | Yes |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 17.79 | 10.79 | 1 | 10 | 20 | 20 | 165 | 11.86 | 10 | 0.61 | 1.3 | 0.01 | 3.92 | 166674 | 32.34 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 18.1 | 11.08 | 1 | 10 | 20 | 20 | 120 | 12.35 | 10 | 0.61 | 1.25 | 0.03 | 3.35 | 6015 | 30.37 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 18.99 | 11.8 | 1 | 10 | 20 | 20 | 109 | 11.86 | 10 | 0.62 | 1.53 | 0.03 | 4.75 | 6739 | 26.69 |
Between-survey agreement
[1] “Spearman’s correlation matrix:”| Baseline | Resurvey1 | Resurvey2 | |
|---|---|---|---|
| Baseline | 1.000 | 0.677 | 0.604 |
| Resurvey1 | 0.677 | 1.000 | 0.611 |
| Resurvey2 | 0.604 | 0.611 | 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