Variable breakdown
traffic_prox_before_prev
Section and category
Pollution.Indoor pollution - Previous houses
Description
“How far was the house before your previous house from any main/busy road with traffic?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| <50m | 3449 | 26.05 | 13.66 |
| 50-100m | 1707 | 12.89 | 6.76 |
| 100-200m | 1459 | 11.02 | 5.78 |
| >200m | 6624 | 50.03 | 26.23 |
| <NA> | 12013 | NA | 47.57 |
Between-survey agreement
No agreement analysis available
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