Variable breakdown
cough_freq
Section and category
Medical History.Lungs
Description
“During the past 12 months, do you usually cough frequently?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 473112 | 91.79 | 91.79 |
| Yes, for <3 months | 22665 | 4.40 | 4.40 |
| Yes, for >=3 months | 19636 | 3.81 | 3.81 |
| <NA> | 0 | NA | 0.00 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 18724 | 94.55 | 94.55 |
| Yes, for <3 months | 569 | 2.87 | 2.87 |
| Yes, for >=3 months | 510 | 2.58 | 2.58 |
| <NA> | 0 | NA | 0.00 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 22968 | 91.67 | 90.96 |
| Yes, for <3 months | 1251 | 4.99 | 4.95 |
| Yes, for >=3 months | 835 | 3.33 | 3.31 |
| <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 | 0.121 | 32.49 | 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