Variable breakdown
gall_diag_age
Section and category
Medical History.Personal
Description
“Age at first diagnosis of gallstone/gallbladder disease”
Additional information
| Metadata | |
|---|---|
| validation | Hard max: Current age |
| contents | Age in years |
| soft_min | 15 |
| is_mandatory | No |
| is_dependent_on | gall_diag |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 45.2 | 12.18 | 2 | 36 | 45 | 54 | 81 | 13.34 | 18 | 0.27 | -0.08 | 0.01 | -0.37 | 31173 | 6.05 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 47.5 | 11.88 | 7 | 39 | 48 | 56 | 81 | 11.86 | 17 | 0.25 | -0.15 | 0.07 | -0.23 | 1209 | 6.11 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 49.97 | 12.47 | 4 | 42 | 50 | 59 | 83 | 13.34 | 17 | 0.25 | -0.2 | 0.05 | 0 | 2419 | 9.58 |
Between-survey agreement
[1] “Spearman’s correlation matrix:”| Baseline | Resurvey1 | Resurvey2 | |
|---|---|---|---|
| Baseline | 1.000 | 0.834 | 0.681 |
| Resurvey1 | 0.834 | 1.000 | 0.752 |
| Resurvey2 | 0.681 | 0.752 | 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
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