Variable breakdown
smoking_nonfilter_cigs
Section and category
Smoking.Details
Description
“How many non-filter cigarettes (factory) do you usually smoke per day (or did you smoke before giving up)?”
Additional information
| Metadata | |
|---|---|
| validation | Soft max: Male: 60 ; Female: 40 |
| contents | No./day |
| 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 |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.11 | 1.66 | 0 | 0 | 0 | 0 | 80 | 0 | 0 | 14.52 | 19.41 | 0.01 | 467.3 | 166674 | 32.34 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.05 | 1.18 | 0 | 0 | 0 | 0 | 50 | 0 | 0 | 23.19 | 31.11 | 0.03 | 1081.02 | 6015 | 30.37 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.55 | 4.03 | 0 | 0 | 0 | 0 | 99 | 0 | 0 | 7.26 | 10.88 | 0.03 | 159.56 | 6739 | 26.69 |
Between-survey agreement
[1] “Spearman’s correlation matrix:”| Baseline | Resurvey1 | Resurvey2 | |
|---|---|---|---|
| Baseline | 1.000 | 0.113 | 0.061 |
| Resurvey1 | 0.113 | 1.000 | 0.048 |
| Resurvey2 | 0.061 | 0.048 | 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