Data
4,244,016 items of data are available, covering 232,871 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 | 100098 |
| Decile 9 | 70 |
| Decile 8 | 51 |
| Decile 7 | 44 |
| Decile 6 | 40 |
| Median | 37 |
| Decile 4 | 35 |
| Decile 3 | 32 |
| Decile 2 | 30 |
| Decile 1 | 27 |
| Minimum | 0 |
|
|
- There are 2621 distinct values.
- Mean = 53.645
- Std.dev = 107.681
- 197511 items above graph maximum of 113
- 3701 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
166,001 participants, 2,458,629 items
| Maximum | 14863 |
| Decile 9 | 71 |
| 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 2495 distinct values.
- Mean = 56.2416
- Std.dev = 103.786
- 122398 items above graph maximum of 114
- 2796 items have value -1 (Next button not pressed)
|
Instance 1 : First repeat assessment visit (2012-13)
19,956 participants, 298,004 items
| Maximum | 5832 |
| Decile 9 | 66 |
| 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 1281 distinct values.
- Mean = 51.9484
- Std.dev = 82.9202
- 13626 items above graph maximum of 104
- 123 items have value -1 (Next button not pressed)
|
Instance 2 : Imaging visit (2014+)
87,242 participants, 1,301,219 items
| Maximum | 100098 |
| Decile 9 | 69 |
| Decile 8 | 50 |
| Decile 7 | 43 |
| Decile 6 | 39 |
| Median | 36 |
| Decile 4 | 34 |
| Decile 3 | 31 |
| Decile 2 | 29 |
| Decile 1 | 26 |
| Minimum | 0 |
|
|
- There are 1702 distinct values.
- Mean = 50.0939
- Std.dev = 123.399
- 55497 items above graph maximum of 112
- 700 items have value -1 (Next button not pressed)
|
Instance 3 : First repeat imaging visit (2019+)
12,470 participants, 186,164 items
| Maximum | 5074 |
| Decile 9 | 65 |
| 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 911 distinct values.
- Mean = 46.9116
- Std.dev = 66.4179
- 7622 items above graph maximum of 104
- 82 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 (left 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 |
|---|
| 4247 | Time to press 'next' (right) | Current Field is the opposite-side complement to Field 4247 |
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