Variable breakdown
diet_freq_soybean
Section and category
Diet.Vegetables
Description
“During the past 12 months, about how often did you eat soybean products?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Daily | 19634 | 3.81 | 3.81 |
| 4-6 days per week | 31233 | 6.06 | 6.06 |
| 1-3 days per week | 259480 | 50.34 | 50.34 |
| Monthly | 148749 | 28.86 | 28.86 |
| Never/rarely | 56317 | 10.93 | 10.93 |
| <NA> | 0 | NA | 0.00 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Daily | 551 | 2.78 | 2.78 |
| 4-6 days per week | 1074 | 5.42 | 5.42 |
| 1-3 days per week | 9365 | 47.29 | 47.29 |
| Monthly | 5933 | 29.96 | 29.96 |
| Never/rarely | 2880 | 14.54 | 14.54 |
| <NA> | 0 | NA | 0.00 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 19803 | 2 | Kappa | 0.182 | 39.954 | 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