Variable breakdown
impedance_ohms
Section and category
Physical Exam.Body composition
Description
“Impedance measurement”
Additional information
| Metadata | |
|---|---|
| contents | No. of ohms |
| soft_min | 200 |
| soft_max | 700 |
| hard_min | 0 |
| hard_max | 999 |
| is_mandatory | No |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 513.64 | 68.2 | 25 | 467 | 510 | 556 | 978 | 66.72 | 89 | 0.13 | 0.33 | 0 | 0.69 | 515154 | 99.95 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 494.77 | 64.75 | 179 | 451 | 490 | 535 | 877 | 62.27 | 84 | 0.13 | 0.37 | 0.02 | 0.65 | 19793 | 99.95 |
Between-survey agreement
[1] “Spearman’s correlation matrix:”| Baseline | Resurvey1 | |
|---|---|---|
| Baseline | 1.000 | 0.749 |
| Resurvey1 | 0.749 | 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