Variable breakdown
comparative_health
Section and category
Medical History.Self-rated
Description
“How is your current general health status compared to someone of your own age?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Better | 93655 | 18.17 | 18.17 |
| About the same | 322829 | 62.64 | 62.64 |
| Worse | 83118 | 16.13 | 16.13 |
| Don’t know | 15811 | 3.07 | 3.07 |
| <NA> | 0 | NA | 0.00 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Better | 2596 | 13.11 | 13.11 |
| About the same | 14239 | 71.90 | 71.90 |
| Worse | 2594 | 13.10 | 13.10 |
| Don’t know | 374 | 1.89 | 1.89 |
| <NA> | 0 | NA | 0.00 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Better | 6657 | 26.57 | 26.36 |
| About the same | 12912 | 51.54 | 51.13 |
| Worse | 5009 | 19.99 | 19.84 |
| Don’t know | 476 | 1.90 | 1.88 |
| <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 | 0.159 | 47.386 | 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