Variable breakdown
chd_diag_age
Section and category
Medical History.Personal
Description
“Age at first diagnosis of chronic heart disease”
Additional information
| Metadata | |
|---|---|
| validation | Hard max: Current age |
| contents | Age in years |
| soft_min | 15 |
| is_mandatory | No |
| is_dependent_on | chd_diag |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 53.44 | 10 | 1 | 47 | 54 | 60 | 78 | 10.38 | 13 | 0.19 | -0.44 | 0.02 | 0.37 | 15615 | 3.03 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 54.45 | 9.75 | 18 | 48 | 55 | 61 | 76 | 10.38 | 13 | 0.18 | -0.29 | 0.1 | -0.06 | 645 | 3.26 |
Between-survey agreement
[1] “Spearman’s correlation matrix:”| Baseline | Resurvey1 | |
|---|---|---|
| Baseline | 1.000 | 0.815 |
| Resurvey1 | 0.815 | 1.000 |
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