Variable breakdown
tea_intake_change
Section and category
Tea Consumption.Details
Description
“Has your tea consumption changed significantly compared with that some years ago?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| About the same as before | 153179 | 89.12 | 29.72 |
| Has increased a lot | 12803 | 7.45 | 2.48 |
| Has decreased a lot | 5906 | 3.44 | 1.15 |
| <NA> | 343525 | NA | 66.65 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| About the same as before | 5126 | 92.95 | 25.88 |
| Has increased a lot | 271 | 4.91 | 1.37 |
| Has decreased a lot | 118 | 2.14 | 0.60 |
| <NA> | 14288 | NA | 72.15 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| About the same as before | 5868 | 81.91 | 23.24 |
| Has increased a lot | 866 | 12.09 | 3.43 |
| Has decreased a lot | 430 | 6.00 | 1.70 |
| <NA> | 18088 | NA | 71.63 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 2420 | 3 | Kappa | 0.075 | 7.949 | 0 |
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