Variable breakdown
diet_freq_other_staple
Section and category
Diet.Staple foods
Description
“During the past 12 months, about how often did you eat other staple foods (corn, millet etc.)?”
Additional information
| Metadata | |
|---|---|
| contents | Categorised |
| is_mandatory | Yes |
Data summary
Baseline
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Daily | 67291 | 13.06 | 13.06 |
| 4-6 days per week | 4609 | 0.89 | 0.89 |
| 1-3 days per week | 66440 | 12.89 | 12.89 |
| Monthly | 229303 | 44.49 | 44.49 |
| Never/rarely | 147770 | 28.67 | 28.67 |
| <NA> | 0 | NA | 0.00 |
Resurvey 1
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Daily | 3111 | 15.71 | 15.71 |
| 4-6 days per week | 180 | 0.91 | 0.91 |
| 1-3 days per week | 3238 | 16.35 | 16.35 |
| Monthly | 8690 | 43.88 | 43.88 |
| Never/rarely | 4584 | 23.15 | 23.15 |
| <NA> | 0 | NA | 0.00 |
Resurvey 2
| value | freq | pct_valid | pct_tot |
|---|---|---|---|
| Daily | 4341 | 17.33 | 17.19 |
| 4-6 days per week | 460 | 1.84 | 1.82 |
| 1-3 days per week | 4976 | 19.86 | 19.71 |
| Monthly | 5556 | 22.18 | 22.00 |
| Never/rarely | 9721 | 38.80 | 38.50 |
| <NA> | 198 | NA | 0.78 |
Between-survey agreement
Fleiss’ Kappa for m Raters:| N.participants | Surveys | Statistic | Coefficient | Z.statistic | p.value |
|---|---|---|---|---|---|
| 14888 | 3 | Kappa | 0.318 | 113.439 | 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