Variable breakdown
qc_dob_m
Section and category
Background.Basic
Description
“Date of birth: Month (QC questionnaire)”
Additional information
| Metadata | |
|---|---|
| contents | Two digit month |
| soft_min | Age 33 |
| soft_max | Age 76 |
| hard_min | 0 |
| hard_max | 12 |
| is_mandatory | Yes |
Data summary
Qc
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.71 | 3.47 | 1 | 4 | 7 | 10 | 12 | 4.45 | 6 | 0.52 | -0.1 | 0.02 | -1.23 | 15816 | 100 |
Between-survey agreement
No agreement analysis available
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