Variable breakdown
alc_drank_in_past
Section and category
Alcohol Consumption.Basic
Description
“In the past, did you ever have a period of at least 1 year, during which you usually drank some alcohol at least once a week?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | No |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 417969 | 95.21 | 81.09 |
| Yes | 21024 | 4.79 | 4.08 |
| <NA> | 76420 | NA | 14.83 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 16521 | 95.74 | 83.43 |
| Yes | 735 | 4.26 | 3.71 |
| <NA> | 2547 | NA | 12.86 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| No | 20853 | 94.68 | 82.58 |
| Yes | 1172 | 5.32 | 4.64 |
| <NA> | 3227 | NA | 12.78 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 11970 | 3 | Kappa | 0.357 | 67.663 | 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