Data
588,320 items of data are available, covering 498,773 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 = 12.1245
- Std.dev = 8.43028
- 4716 items above graph maximum of 40
- 7240 items have value -10 (Less than one)
- 438 items have value -3 (Prefer not to answer)
- 6149 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,702 participants, 497,702 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 = 8.57123
- 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+)
64,924 participants, 64,924 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 = 10.1411
- Std.dev = 7.10989
- 335 items above graph maximum of 38
- 1154 items have value -10 (Less than one)
- 17 items have value -3 (Prefer not to answer)
- 312 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
5,360 participants, 5,360 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 37 distinct values.
- Mean = 9.75898
- Std.dev = 6.778
- 23 items above graph maximum of 38
- 109 items have value -10 (Less than one)
- 1 items have value -3 (Prefer not to answer)
- 18 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"
