Variable breakdown
tea_grams_per_change_x10
Section and category
Tea Consumption.Details
Description
“About how much leaf tea do you usually add each time you change your tea leaves?”
Additional information
| Metadata | |
|---|---|
| contents | No. of grams (x10) |
| soft_min | 5 |
| soft_max | 100 |
| hard_min | 1 |
| hard_max | 250 |
| is_mandatory | Yes |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25.25 | 15.41 | 1 | 10 | 20 | 40 | 250 | 14.83 | 30 | 0.61 | 1.07 | 0.01 | 2.18 | 171888 | 33.35 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 25.55 | 15.67 | 5 | 10 | 20 | 40 | 250 | 14.83 | 30 | 0.61 | 1.56 | 0.03 | 9.27 | 5515 | 27.85 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 31.07 | 17.18 | 2 | 20 | 30 | 40 | 180 | 14.83 | 20 | 0.55 | 1.59 | 0.03 | 5.44 | 7164 | 28.37 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 2420 | 3 | Kappa | 0.157 | 27.502 | 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