Variable breakdown
met_hours
Section and category
Physical Activity.Summary - MET
Description
“Total daily hours spent on physical activity”
Additional information
| Metadata | |
|---|---|
| contents | No. of hours |
| is_mandatory | Yes |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.34 | 3.42 | 0 | 3.43 | 6.21 | 8.9 | 27 | 4.03 | 5.47 | 0.54 | 0.29 | 0 | -0.58 | 515413 | 100 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.06 | 3.36 | 0 | 3 | 5.67 | 8.71 | 21.13 | 3.96 | 5.71 | 0.55 | 0.38 | 0.02 | -0.6 | 19803 | 100 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 5.69 | 3.7 | 0 | 2.86 | 5 | 8.24 | 32 | 4.24 | 5.38 | 0.65 | 0.73 | 0.02 | 0.35 | 25054 | 99.22 |
Between-survey agreement
[1] “Spearman’s correlation matrix:”| Baseline | Resurvey1 | Resurvey2 | |
|---|---|---|---|
| Baseline | 1.000 | 0.537 | 0.352 |
| Resurvey1 | 0.537 | 1.000 | 0.389 |
| Resurvey2 | 0.352 | 0.389 | 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