Variable breakdown
winter_smoke_stop
Section and category
Pollution.Details
Description
“In what year did the inside of your house stop being really coal-smoky in winter?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| In the specified year | 93425 | 31.22 | 18.13 |
| Still is | 205818 | 68.78 | 39.93 |
| <NA> | 216170 | NA | 41.94 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| In the specified year | 3629 | 30.4 | 18.33 |
| Still is | 8308 | 69.6 | 41.95 |
| <NA> | 7866 | NA | 39.72 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| In the specified year | 5710 | 59.36 | 22.61 |
| Still is | 3909 | 40.64 | 15.48 |
| <NA> | 15633 | NA | 61.91 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 4521 | 3 | Kappa | 0.464 | 53.983 | 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