Variable breakdown
tea_changes_per_day
Section and category
Tea Consumption.Details
Description
“How often do you change tea leaves during a day?”
Additional information
| Metadata | |
|---|---|
| contents | No. of changes |
| soft_max | 5 |
| hard_min | 0 |
| hard_max | 20 |
| is_mandatory | Yes |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.64 | 0.96 | 0 | 0 | 0 | 1 | 19 | 0 | 1 | 1.51 | 1.9 | 0.01 | 7.09 | 171888 | 33.35 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.59 | 0.84 | 0 | 0 | 0 | 1 | 4 | 0 | 1 | 1.42 | 1.16 | 0.03 | 0.26 | 5515 | 27.85 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.91 | 1.21 | 0 | 0 | 1 | 1 | 20 | 1.48 | 1 | 1.32 | 2.84 | 0.03 | 20.64 | 7164 | 28.37 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 2420 | 3 | Kappa | 0.124 | 16.571 | 0 |
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