Variable breakdown
paid_blood_donations
Section and category
Medical History.Other
Description
“How many times have you ever donated blood for financial payment?”
Additional information
| Metadata | |
|---|---|
| contents | No. of times |
| soft_max | 10 |
| is_mandatory | Yes |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.05 | 1.63 | 0 | 0 | 0 | 0 | 99 | 0 | 0 | 29.91 | 47.81 | 0 | 2610.99 | 515413 | 100 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.02 | 0.97 | 0 | 0 | 0 | 0 | 99 | 0 | 0 | 46.83 | 84.01 | 0.02 | 7803.79 | 19803 | 100 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.02 | 0.47 | 0 | 0 | 0 | 0 | 50 | 0 | 0 | 27.17 | 67.85 | 0.02 | 6120.66 | 25054 | 99.22 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 14888 | 3 | Kappa | 0.163 | 51.145 | 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