Data
202,510 items of data are available, covering 201,814 participants.
Some values have special meanings defined by Data-Coding
1273.
Defined-instances run from 0 to 1, labelled using Instancing
154.
| Maximum | 2021-11-30 |
| Decile 9 | 2021-05-19 |
| Decile 8 | 2021-05-08 |
| Decile 7 | 2021-04-29 |
| Decile 6 | 2021-04-24 |
| Median | 2021-04-18 |
| Decile 4 | 2021-04-13 |
| Decile 3 | 2021-04-06 |
| Decile 2 | 2021-03-27 |
| Decile 1 | 2021-03-13 |
| Minimum | 2021-02-25 |
|
|
- There are 180 distinct values.
- Mean = 2021-04-17
- 48 items above graph maximum of 2021-07-25
- 435 items have value 1900-01-01 (Date is unknown)
- 396 items have value 1999-01-01 (Date is invalid)
|
2 Instances
Instance 0 : First COVID-19 antibody test taken, Feb 2021 to July 2021
201,814 participants, 201,814 items
| Maximum | 2021-11-30 |
| Decile 9 | 2021-05-19 |
| Decile 8 | 2021-05-08 |
| Decile 7 | 2021-04-29 |
| Decile 6 | 2021-04-24 |
| Median | 2021-04-18 |
| Decile 4 | 2021-04-13 |
| Decile 3 | 2021-04-07 |
| Decile 2 | 2021-03-27 |
| Decile 1 | 2021-03-13 |
| Minimum | 2021-02-25 |
|
|
- There are 180 distinct values.
- Mean = 2021-04-17
- 48 items above graph maximum of 2021-07-25
- 435 items have value 1900-01-01 (Date is unknown)
- 393 items have value 1999-01-01 (Date is invalid)
|
Instance 1 : Repeat COVID-19 antibody test taken, March 2021 to July 2021
696 participants, 696 items
| Maximum | 2021-07-18 |
| Decile 9 | 2021-05-14 |
| Decile 8 | 2021-04-28 |
| Decile 7 | 2021-04-15 |
| Decile 6 | 2021-03-27 |
| Median | 2021-03-19 |
| Decile 4 | 2021-03-16 |
| Decile 3 | 2021-03-14 |
| Decile 2 | 2021-03-12 |
| Decile 1 | 2021-03-11 |
| Minimum | 2021-03-05 |
|
|
- There are 97 distinct values.
- Mean = 2021-04-03
- 3 items have value 1999-01-01 (Date is invalid)
|
Notes
Participants reported the date that they completed their COVID-19 antibody home-testing device, either by submitting it via a web form, using a postal questionnaire, or, via an automated interactive voice response (IVR) call.
Coding 1273 defines 2 special values:
- 1900-01-01 represents "Date is unknown"
- 1999-01-01 represents "Date is invalid"
