Data
4,245,664 items of data are available, covering 232,974 participants.
Some values have special meanings defined by Data-Coding
17.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Array indices run from 1 to 15.
Units of measurement are deciseconds.
| Maximum | 33240 |
| Decile 9 | 69 |
| Decile 8 | 50 |
| Decile 7 | 44 |
| Decile 6 | 40 |
| Median | 37 |
| Decile 4 | 35 |
| Decile 3 | 32 |
| Decile 2 | 30 |
| Decile 1 | 27 |
| Minimum | 0 |
|
|
- There are 2588 distinct values.
- Mean = 53.539
- Std.dev = 95.7303
- 200411 items above graph maximum of 111
- 3818 items have value -1 (Next button not pressed)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
166,056 participants, 2,458,334 items
| Maximum | 25713 |
| Decile 9 | 70 |
| Decile 8 | 51 |
| Decile 7 | 45 |
| Decile 6 | 41 |
| Median | 38 |
| Decile 4 | 35 |
| Decile 3 | 33 |
| Decile 2 | 31 |
| Decile 1 | 28 |
| Minimum | 13 |
|
|
- There are 2455 distinct values.
- Mean = 56.1581
- Std.dev = 104.08
- 124062 items above graph maximum of 112
- 2917 items have value -1 (Next button not pressed)
|
Instance 1 : First repeat assessment visit (2012-13)
19,966 participants, 298,160 items
| Maximum | 5032 |
| Decile 9 | 65 |
| Decile 8 | 49 |
| Decile 7 | 44 |
| Decile 6 | 40 |
| Median | 37 |
| Decile 4 | 35 |
| Decile 3 | 33 |
| Decile 2 | 31 |
| Decile 1 | 28 |
| Minimum | 14 |
|
|
- There are 1287 distinct values.
- Mean = 51.8425
- Std.dev = 82.9011
- 13916 items above graph maximum of 102
- 126 items have value -1 (Next button not pressed)
|
Instance 2 : Imaging visit (2014+)
87,336 participants, 1,302,891 items
| Maximum | 33240 |
| Decile 9 | 69 |
| Decile 8 | 50 |
| Decile 7 | 43 |
| Decile 6 | 39 |
| Median | 36 |
| Decile 4 | 33 |
| Decile 3 | 31 |
| Decile 2 | 29 |
| Decile 1 | 26 |
| Minimum | 0 |
|
|
- There are 1671 distinct values.
- Mean = 49.9968
- Std.dev = 84.6396
- 55109 items above graph maximum of 112
- 682 items have value -1 (Next button not pressed)
|
Instance 3 : First repeat imaging visit (2019+)
12,487 participants, 186,279 items
| Maximum | 7193 |
| Decile 9 | 64 |
| Decile 8 | 47 |
| Decile 7 | 41 |
| Decile 6 | 37 |
| Median | 35 |
| Decile 4 | 32 |
| Decile 3 | 30 |
| Decile 2 | 28 |
| Decile 1 | 26 |
| Minimum | 14 |
|
|
- There are 936 distinct values.
- Mean = 46.4896
- Std.dev = 67.7391
- 7531 items above graph maximum of 102
- 93 items have value -1 (Next button not pressed)
|
Notes
This is the time taken to press the 'next' key on the touchscreen in each round since the triplet played (right ear). This should not be used as a marker of reaction time as participants were not explicity instructed to complete the test as quickly we possible.
Coding 17 defines 1 special value:
- -1 represents "Next button not pressed"
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 4237 | Time to press 'next' (left) | Field 4237 is the opposite-side complement to Current Field |
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