Data
595,317 items of data are available, covering 494,178 participants.
Some values have special meanings defined by Data-Coding
100291.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Maximum | 25 |
Decile 9 | 3 |
Decile 8 | 2 |
Decile 7 | 1 |
Decile 6 | 1 |
Median | 1 |
Decile 4 | 1 |
Decile 3 | 0 |
Decile 2 | 0 |
Decile 1 | 0 |
Minimum | 0 |
|
|
- There are 24 distinct values.
- Mean = 1.13913
- Std.dev = 1.26547
- 2947 items above graph maximum of 6
- 661 items have value -3 (Prefer not to answer)
- 577 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
494,096 participants, 494,096 items
Maximum | 25 |
Decile 9 | 3 |
Decile 8 | 2 |
Decile 7 | 1 |
Decile 6 | 1 |
Median | 1 |
Decile 4 | 1 |
Decile 3 | 0 |
Decile 2 | 0 |
Decile 1 | 0 |
Minimum | 0 |
|
|
- There are 24 distinct values.
- Mean = 1.15718
- Std.dev = 1.28964
- 2675 items above graph maximum of 6
- 607 items have value -3 (Prefer not to answer)
- 540 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
20,067 participants, 20,067 items
Maximum | 12 |
Decile 9 | 2 |
Decile 8 | 2 |
Decile 7 | 1 |
Decile 6 | 1 |
Median | 1 |
Decile 4 | 1 |
Decile 3 | 0 |
Decile 2 | 0 |
Decile 1 | 0 |
Minimum | 0 |
|
|
- There are 12 distinct values.
- Mean = 1.00229
- Std.dev = 1.12799
- 254 items above graph maximum of 4
- 6 items have value -3 (Prefer not to answer)
- 10 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
74,294 participants, 74,294 items
Maximum | 13 |
Decile 9 | 2 |
Decile 8 | 2 |
Decile 7 | 1 |
Decile 6 | 1 |
Median | 1 |
Decile 4 | 1 |
Decile 3 | 0 |
Decile 2 | 0 |
Decile 1 | 0 |
Minimum | 0 |
|
|
- There are 14 distinct values.
- Mean = 1.06111
- Std.dev = 1.14031
- 1070 items above graph maximum of 4
- 47 items have value -3 (Prefer not to answer)
- 25 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
6,860 participants, 6,860 items
Maximum | 9 |
Decile 9 | 2 |
Decile 8 | 2 |
Decile 7 | 1 |
Decile 6 | 1 |
Median | 1 |
Decile 4 | 1 |
Decile 3 | 0 |
Decile 2 | 0 |
Decile 1 | 0 |
Minimum | 0 |
|
|
- There are 10 distinct values.
- Mean = 1.08561
- Std.dev = 1.11172
- 87 items above graph maximum of 4
- 1 items have value -3 (Prefer not to answer)
- 2 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "How many brothers do you have? (Please include those who have died, and twin brothers. Do not include half-brothers, step-brothers or adopted brothers)"
The following checks were performed:
- If answer < 0 then rejected
- If answer > 25 then rejected
- If answer > 10 then participant asked to confirm
Field 1873 was collected from participants who indicated they were not adopted as a child, as defined by their answers to Field 1767
Coding 100291 defines 2 special values:
- -1 represents "Do not know"
- -3 represents "Prefer not to answer"