Variable breakdown
has_tea_details
Section and category
Tea Consumption.Details
Description
“Does this participant have an entry in tea_details?, Does this participant have an entry in rs_tea_details?, Does this participant have an entry in r2_tea_details?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 343525 | 66.65 | 66.65 |
| Yes | 171888 | 33.35 | 33.35 |
| <NA> | 0 | NA | 0.00 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 14288 | 72.15 | 72.15 |
| Yes | 5515 | 27.85 | 27.85 |
| <NA> | 0 | NA | 0.00 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 17890 | 71.41 | 70.85 |
| Yes | 7164 | 28.59 | 28.37 |
| <NA> | 198 | NA | 0.78 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 14888 | 3 | Kappa | 0.572 | 120.864 | 0 |
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