Variable breakdown
ckb_mdep
Section and category
Psychological.CIDI A
Description
“Based their CIDI A questionnaire answers, has this participant experienced a major depressive episode? (CKB variant)”
Additional information
| Metadata | |
|---|---|
| contents | 0 to 7 (where 7 is most severe) |
| is_mandatory | Yes |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.22 | 0.41 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 1.88 | 1.35 | 0.02 | -0.19 | 15584 | 3.02 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.27 | 0.44 | 0 | 0 | 0 | 1 | 1 | 0 | 1 | 1.66 | 1.05 | 0.14 | -0.91 | 307 | 1.55 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 0.17 | 0.38 | 0 | 0 | 0 | 0 | 1 | 0 | 0 | 2.21 | 1.76 | 0.05 | 1.1 | 2172 | 8.6 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 17 | 3 | Kappa | -0.002 | -0.013 | 0.99 |
International Coordinating Centre, China Kadoorie Biobank (CKB), CTSU, Nuffield Department of Population Health, University of Oxford Old Road Campus, Headington, Oxford, OX3 7LF
Tel: +44 (0)1865 743743 | Fax: +44 (0)1865 743985 | Email: ckbaccess@ndph.ox.ac.uk
Copyright China Kadoorie Biobank (CKB), University of Oxford, (2024)
Page generated: 27-02-2024