Data
1,265,428 items of data are available, covering 331,002 participants.
Defined-instances run from 1 to 4, labelled using Instancing
1.
| Maximum | 2012-06-15 |
| Decile 9 | 2012-05-25 |
| Decile 8 | 2012-04-27 |
| Decile 7 | 2011-12-01 |
| Decile 6 | 2011-11-10 |
| Median | 2011-10-13 |
| Decile 4 | 2011-08-10 |
| Decile 3 | 2011-07-06 |
| Decile 2 | 2011-04-03 |
| Decile 1 | 2011-03-07 |
| Minimum | 2011-02-08 |
|
|
- There are 240 distinct values.
- Mean = 2011-10-06
|
4 Instances
Instance 1 : On-line cycle 1, February 2011 to April 2011.
299,121 participants, 299,121 items
| Maximum | 2011-04-11 |
| Decile 9 | 2011-04-06 |
| Decile 8 | 2011-04-01 |
| Decile 7 | 2011-03-27 |
| Decile 6 | 2011-03-23 |
| Median | 2011-03-11 |
| Decile 4 | 2011-03-06 |
| Decile 3 | 2011-03-01 |
| Decile 2 | 2011-02-24 |
| Decile 1 | 2011-02-19 |
| Minimum | 2011-02-08 |
|
|
- There are 57 distinct values.
- Mean = 2011-03-13
|
Instance 2 : On-line cycle 2, June 2011 to September 2011.
318,411 participants, 318,411 items
| Maximum | 2011-08-29 |
| Decile 9 | 2011-08-23 |
| Decile 8 | 2011-08-18 |
| Decile 7 | 2011-08-12 |
| Decile 6 | 2011-08-01 |
| Median | 2011-07-27 |
| Decile 4 | 2011-07-21 |
| Decile 3 | 2011-07-16 |
| Decile 2 | 2011-07-04 |
| Decile 1 | 2011-06-28 |
| Minimum | 2011-06-17 |
|
|
- There are 61 distinct values.
- Mean = 2011-07-27
|
Instance 3 : On-line cycle 3, October 2011 to December 2011.
318,598 participants, 318,598 items
| Maximum | 2011-12-09 |
| Decile 9 | 2011-12-04 |
| Decile 8 | 2011-11-29 |
| Decile 7 | 2011-11-23 |
| Decile 6 | 2011-11-18 |
| Median | 2011-11-13 |
| Decile 4 | 2011-11-07 |
| Decile 3 | 2011-11-02 |
| Decile 2 | 2011-10-21 |
| Decile 1 | 2011-10-15 |
| Minimum | 2011-10-04 |
|
|
- There are 60 distinct values.
- Mean = 2011-11-11
|
Instance 4 : On-line cycle 4, April 2012 to June 2012.
329,298 participants, 329,298 items
| Maximum | 2012-06-15 |
| Decile 9 | 2012-06-10 |
| Decile 8 | 2012-06-04 |
| Decile 7 | 2012-05-30 |
| Decile 6 | 2012-05-24 |
| Median | 2012-05-19 |
| Decile 4 | 2012-05-13 |
| Decile 3 | 2012-05-08 |
| Decile 2 | 2012-04-25 |
| Decile 1 | 2012-04-19 |
| Minimum | 2012-04-08 |
|
|
- There are 62 distinct values.
- Mean = 2012-05-16
|
Notes
Dates that invitations to complete online 24-hour recall dietary questionnaire were emailed to participants. Following an initial ramp-up phase approximately 6000 invitations were emailed each day. The response rate was typically 30-35%.
During initial part of the first run of the questionnaire, information was not recorded on participants who did not respond, so the response rate will appear to be 100% for that early period.
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