Variable breakdown
alc_weekly
Section and category
Alcohol Consumption.Basic
Description
“During the past 12 months, on how many days did you drink alcohol in a typical week?”
Additional information
| Metadata | |
|---|---|
| validation | Soft max: Female: 2; i.e. ‘Daily or almost daily’ |
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| 1-2 days/week | 16084 | 21.05 | 3.12 |
| 3-5 days/week | 14000 | 18.32 | 2.72 |
| Daily or almost every day | 46336 | 60.63 | 8.99 |
| <NA> | 438993 | NA | 85.17 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| 1-2 days/week | 490 | 19.24 | 2.47 |
| 3-5 days/week | 419 | 16.45 | 2.12 |
| Daily or almost every day | 1638 | 64.31 | 8.27 |
| <NA> | 17256 | NA | 87.14 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| 1-2 days/week | 474 | 15.65 | 1.88 |
| 3-5 days/week | 427 | 14.10 | 1.69 |
| Daily or almost every day | 2128 | 70.25 | 8.43 |
| <NA> | 22223 | NA | 88.00 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 1023 | 3 | Kappa | 0.303 | 21.621 | 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