Data
593,902 items of data are available, covering 498,812 participants.
Some values have special meanings defined by Data-Coding
100373.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Units of measurement are slices/week.
| Maximum | 200 |
| Decile 9 | 22 |
| Decile 8 | 18 |
| Decile 7 | 14 |
| Decile 6 | 12 |
| Median | 10 |
| Decile 4 | 9 |
| Decile 3 | 7 |
| Decile 2 | 5 |
| Decile 1 | 4 |
| Minimum | 0 |
|
|
- There are 94 distinct values.
- Mean = 12.1033
- Std.dev = 8.41852
- 4725 items above graph maximum of 40
- 7355 items have value -10 (Less than one)
- 440 items have value -3 (Prefer not to answer)
- 6172 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,697 participants, 497,697 items
| Maximum | 200 |
| Decile 9 | 24 |
| Decile 8 | 20 |
| Decile 7 | 14 |
| Decile 6 | 14 |
| Median | 10 |
| Decile 4 | 10 |
| Decile 3 | 7 |
| Decile 2 | 6 |
| Decile 1 | 4 |
| Minimum | 0 |
|
|
- There are 92 distinct values.
- Mean = 12.4067
- Std.dev = 8.57125
- 2730 items above graph maximum of 44
- 5716 items have value -10 (Less than one)
- 417 items have value -3 (Prefer not to answer)
- 5703 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
20,334 participants, 20,334 items
| Maximum | 100 |
| Decile 9 | 22 |
| Decile 8 | 20 |
| Decile 7 | 14 |
| Decile 6 | 14 |
| Median | 10 |
| Decile 4 | 10 |
| Decile 3 | 7 |
| Decile 2 | 5 |
| Decile 1 | 3 |
| Minimum | 0 |
|
|
- There are 53 distinct values.
- Mean = 12.1806
- Std.dev = 8.28416
- 146 items above graph maximum of 41
- 261 items have value -10 (Less than one)
- 3 items have value -3 (Prefer not to answer)
- 116 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
69,873 participants, 69,873 items
| Maximum | 140 |
| Decile 9 | 20 |
| Decile 8 | 14 |
| Decile 7 | 14 |
| Decile 6 | 10 |
| Median | 9 |
| Decile 4 | 7 |
| Decile 3 | 6 |
| Decile 2 | 4 |
| Decile 1 | 2 |
| Minimum | 0 |
|
|
- There are 54 distinct values.
- Mean = 10.1192
- Std.dev = 7.07567
- 353 items above graph maximum of 38
- 1252 items have value -10 (Less than one)
- 19 items have value -3 (Prefer not to answer)
- 334 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
5,998 participants, 5,998 items
| Maximum | 60 |
| Decile 9 | 20 |
| Decile 8 | 14 |
| Decile 7 | 12 |
| Decile 6 | 10 |
| Median | 8 |
| Decile 4 | 7 |
| Decile 3 | 6 |
| Decile 2 | 4 |
| Decile 1 | 2 |
| Minimum | 0 |
|
|
- There are 40 distinct values.
- Mean = 9.79152
- Std.dev = 6.8462
- 28 items above graph maximum of 38
- 126 items have value -10 (Less than one)
- 1 items have value -3 (Prefer not to answer)
- 19 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "How many slices of bread do you eat each WEEK?"
The following checks were performed:
- If answer < 0 then rejected
- If answer > 250 then rejected
- If answer > 50 then participant asked to confirm
If the participant activated the Help button they were shown the message:
For other types of bread:
- one bread roll = 2 slices
- one pitta bread = 2 slices
|
Coding 100373 defines 3 special values:
- -10 represents "Less than one"
- -1 represents "Do not know"
- -3 represents "Prefer not to answer"
