Variable breakdown
tried_to_reduce_weight
Section and category
Physical Activity.Weight change
Description
“Have you tried to reduce weight in the past 12 months?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 508270 | 98.61 | 98.61 |
| Yes | 7143 | 1.39 | 1.39 |
| <NA> | 0 | NA | 0.00 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 19506 | 98.5 | 98.5 |
| Yes | 297 | 1.5 | 1.5 |
| <NA> | 0 | NA | 0.0 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 24511 | 97.83 | 97.07 |
| Yes | 543 | 2.17 | 2.15 |
| <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 | 0.071 | 15.003 | 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