Data
59,736 items of data are available, covering 10,867 participants.
Some values have special meanings defined by Data-Coding
1273.
Defined-instances run from 0 to 8, labelled using Instancing
27.
| Maximum | 2020-12-04 |
| Decile 9 | 2020-11-03 |
| Decile 8 | 2020-10-20 |
| Decile 7 | 2020-09-30 |
| Decile 6 | 2020-09-10 |
| Median | 2020-08-26 |
| Decile 4 | 2020-08-07 |
| Decile 3 | 2020-07-27 |
| Decile 2 | 2020-07-08 |
| Decile 1 | 2020-06-20 |
| Minimum | 2020-05-27 |
|
|
- There are 158 distinct values.
- Mean = 2020-08-26
- 1 items have value 1999-01-01 (Date is invalid)
|
9 Instances
Instance 0 : First symptom questionnaire returned
10,867 participants, 10,867 items
| Maximum | 2020-11-06 |
| Decile 9 | 2020-07-02 |
| Decile 8 | 2020-07-01 |
| Decile 7 | 2020-06-30 |
| Decile 6 | 2020-06-23 |
| Median | 2020-06-19 |
| Decile 4 | 2020-06-17 |
| Decile 3 | 2020-06-08 |
| Decile 2 | 2020-06-04 |
| Decile 1 | 2020-05-30 |
| Minimum | 2020-05-27 |
|
|
- There are 83 distinct values.
- Mean = 2020-06-18
- 51 items above graph maximum of 2020-08-04
- 1 items have value 1999-01-01 (Date is invalid)
|
Instance 1 : Second symptom questionnaire returned
10,515 participants, 10,515 items
| Maximum | 2020-11-19 |
| Decile 9 | 2020-07-31 |
| Decile 8 | 2020-07-29 |
| Decile 7 | 2020-07-28 |
| Decile 6 | 2020-07-21 |
| Median | 2020-07-17 |
| Decile 4 | 2020-07-15 |
| Decile 3 | 2020-07-10 |
| Decile 2 | 2020-07-09 |
| Decile 1 | 2020-07-08 |
| Minimum | 2020-06-09 |
|
|
- There are 96 distinct values.
- Mean = 2020-07-19
- 14 items below graph minimum of 2020-06-15
- 222 items above graph maximum of 2020-08-23
|
Instance 2 : Third symptom questionnaire returned
10,317 participants, 10,317 items
| Maximum | 2020-12-04 |
| Decile 9 | 2020-08-28 |
| Decile 8 | 2020-08-26 |
| Decile 7 | 2020-08-25 |
| Decile 6 | 2020-08-19 |
| Median | 2020-08-14 |
| Decile 4 | 2020-08-12 |
| Decile 3 | 2020-08-07 |
| Decile 2 | 2020-08-06 |
| Decile 1 | 2020-08-05 |
| Minimum | 2020-07-02 |
|
|
- There are 106 distinct values.
- Mean = 2020-08-17
- 17 items below graph minimum of 2020-07-13
- 296 items above graph maximum of 2020-09-20
|
Instance 3 : Fourth symptom questionnaire returned
10,115 participants, 10,115 items
| Maximum | 2020-12-04 |
| Decile 9 | 2020-09-29 |
| Decile 8 | 2020-09-23 |
| Decile 7 | 2020-09-22 |
| Decile 6 | 2020-09-16 |
| Median | 2020-09-11 |
| Decile 4 | 2020-09-09 |
| Decile 3 | 2020-09-08 |
| Decile 2 | 2020-09-04 |
| Decile 1 | 2020-09-03 |
| Minimum | 2020-07-31 |
|
|
- There are 86 distinct values.
- Mean = 2020-09-15
- 21 items below graph minimum of 2020-08-08
- 131 items above graph maximum of 2020-10-25
|
Instance 4 : Fifth symptom questionnaire returned
9,521 participants, 9,521 items
| Maximum | 2020-12-04 |
| Decile 9 | 2020-10-27 |
| Decile 8 | 2020-10-21 |
| Decile 7 | 2020-10-20 |
| Decile 6 | 2020-10-14 |
| Median | 2020-10-09 |
| Decile 4 | 2020-10-07 |
| Decile 3 | 2020-10-06 |
| Decile 2 | 2020-10-01 |
| Decile 1 | 2020-09-30 |
| Minimum | 2020-09-02 |
|
|
- There are 68 distinct values.
- Mean = 2020-10-12
- 8 items below graph minimum of 2020-09-03
- 15 items above graph maximum of 2020-11-23
|
Instance 5 : Sixth symptom questionnaire returned
8,337 participants, 8,337 items
| Maximum | 2020-12-04 |
| Decile 9 | 2020-11-18 |
| Decile 8 | 2020-11-17 |
| Decile 7 | 2020-11-13 |
| Decile 6 | 2020-11-10 |
| Median | 2020-11-05 |
| Decile 4 | 2020-11-04 |
| Decile 3 | 2020-10-30 |
| Decile 2 | 2020-10-29 |
| Decile 1 | 2020-10-28 |
| Minimum | 2020-09-29 |
|
|
- There are 44 distinct values.
- Mean = 2020-11-07
- 21 items below graph minimum of 2020-10-07
|
Instance 6 : Seventh symptom questionnaire returned
62 participants, 62 items
| Maximum | 2020-12-04 |
| Decile 9 | 2020-11-19 |
| Decile 8 | 2020-11-18 |
| Decile 7 | 2020-11-15 |
| Decile 6 | 2020-11-08 |
| Median | 2020-11-04 |
| Decile 4 | 2020-11-03 |
| Decile 3 | 2020-10-30 |
| Decile 2 | 2020-10-28 |
| Decile 1 | 2020-10-27 |
| Minimum | 2020-10-05 |
|
|
- There are 23 distinct values.
- Mean = 2020-11-06
|
Instance 7 : Eighth symptom questionnaire returned
1 participants, 1 items
Too few values for statistical summary.
Instance 8 : Ninth symptom questionnaire returned
1 participants, 1 items
Too few values for statistical summary.
Notes
The date that the completed COVID-19 symtom questionnaire was received by post at UK Biobank. Only populated for questionnaire results returned by post.
Coding 1273 defines 2 special values:
- 1900-01-01 represents "Date is unknown"
- 1999-01-01 represents "Date is invalid"
