Data
610,653 items of data are available, covering 498,719 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 | 21 |
| 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 = 12.0355
- Std.dev = 8.38233
- 8108 items above graph maximum of 38
- 7675 items have value -10 (Less than one)
- 445 items have value -3 (Prefer not to answer)
- 6275 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
497,501 participants, 497,501 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 = 12.4072
- Std.dev = 8.57119
- 2729 items above graph maximum of 44
- 5710 items have value -10 (Less than one)
- 417 items have value -3 (Prefer not to answer)
- 5700 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
20,328 participants, 20,328 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 = 12.1802
- Std.dev = 8.28223
- 145 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+)
84,020 participants, 84,020 items
| Maximum | 140 |
| Decile 9 | 20 |
| Decile 8 | 14 |
| Decile 7 | 12 |
| Decile 6 | 10 |
| Median | 9 |
| Decile 4 | 7 |
| Decile 3 | 6 |
| Decile 2 | 4 |
| Decile 1 | 2 |
| Minimum | 0 |
|
|
- There are 57 distinct values.
- Mean = 10.0406
- Std.dev = 6.99322
- 410 items above graph maximum of 38
- 1522 items have value -10 (Less than one)
- 24 items have value -3 (Prefer not to answer)
- 429 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
8,804 participants, 8,804 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 = 9.73565
- Std.dev = 6.77832
- 42 items above graph maximum of 38
- 182 items have value -10 (Less than one)
- 1 items have value -3 (Prefer not to answer)
- 30 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"
