Description: Data field properties

Includes both constant properties such as Title and dynamically calculated ones such as the number of participants with data. Properties included are:

1. field_id
2. title
3. available (0 full, 1 view-only, 4 retired)
4. stability (0 complete, 1 updateable, 2 accruing, 3 variable)
5. private (0 public, 1 restricted)
6. value_type (11 int, 21 single choice, 22 multi choice, 31 real, 41 string, 51 date, 61 time, 101 compound, 201 blob)
7. base_type (0 see value type, 11 int, 31 real, 41 string, 51 date)
8. item_type (0 data, 10 sample, 20 bulk, 30 record)
9. strata (0 primary, 2 auxillary, 3 derived)
10. instanced (0 no, 1 defined, 2 variable)
11. arrayed (0 no, 1 yes)
12. sexed (0 unisex, 1 male, 2 female)
13. units
14. main_category
15. encoding_id
16. instance_id
17. instance_min
18. instance_max
19. array_min
20. array_max
21. notes
22. debut
23. version
24. num_participants
25. item_count
26. showcase_order
27. tier

Select preferred format below then click Download to retrieve a copy of schema 1.

If you have wget available (typically on linux systems), then you can also obtain this schema using the command(s)

• wget -nd -O field.txt "biobank.ctsu.ox.ac.uk/ukb/scdown.cgi?fmt=txt&id=1" (tab separated)
• wget -nd -O field.xml "biobank.ctsu.ox.ac.uk/ukb/scdown.cgi?fmt=xml&id=1" (pseudo-xml)