Variable breakdown
diet_fridge_years
Section and category
Diet.Eating habits
Description
“How many years have you had a refrigerator in your home?”
Additional information
| Metadata | |
|---|---|
| validation | Hard max: 99 or current age |
| contents | No. of years |
| soft_max | 40 |
| hard_min | 0 |
| is_mandatory | Yes |
Data summary
Baseline
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 6.09 | 7.59 | 0 | 0 | 2 | 12 | 53 | 2.97 | 12 | 1.25 | 0.97 | 0 | -0.32 | 515413 | 100 |
Resurvey 1
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 7.1 | 8.14 | 0 | 0 | 3 | 14 | 40 | 4.45 | 14 | 1.15 | 0.89 | 0.02 | -0.44 | 19803 | 100 |
Resurvey 2
| mean | sd | min | q1 | med | q3 | max | mad | iqr | cv | skewness | se.skewness | kurtosis | n.valid | pct.valid |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 11.74 | 9.46 | 0 | 4 | 10 | 20 | 60 | 10.38 | 16 | 0.81 | 0.66 | 0.02 | -0.51 | 25054 | 99.22 |
Between-survey agreement
[1] “Spearman’s correlation matrix:”| Baseline | Resurvey1 | Resurvey2 | |
|---|---|---|---|
| Baseline | 1.000 | 0.839 | 0.730 |
| Resurvey1 | 0.839 | 1.000 | 0.784 |
| Resurvey2 | 0.730 | 0.784 | 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