Data
7,599 items of data are available, covering 2,996 participants.
Defined-instances run from 25 to 34, labelled using Instancing
1.
Units of measurement are None.
Data has not been summarised because combining instances would be misleading.
4 Instances
Instance 25 : 1999 - Survey carried out at age 53 years.
2,702 participants, 2,702 items
| Maximum | 34 |
| Decile 9 | 32 |
| Decile 8 | 30 |
| Decile 7 | 29 |
| Decile 6 | 27 |
| Median | 25 |
| Decile 4 | 24 |
| Decile 3 | 22 |
| Decile 2 | 21 |
| Decile 1 | 20 |
| Minimum | 16 |
|
|
- There are 19 distinct values.
- Mean = 25.4112
- Std.dev = 4.54357
|
Instance 26 : 2006-2010 - Survey carried out at age 60 to 64 years.
2,028 participants, 2,028 items
| Maximum | 33 |
| Decile 9 | 30 |
| Decile 8 | 29 |
| Decile 7 | 27 |
| Decile 6 | 25 |
| Median | 24 |
| Decile 4 | 23 |
| Decile 3 | 22 |
| Decile 2 | 21 |
| Decile 1 | 19 |
| Minimum | 17 |
|
|
- There are 17 distinct values.
- Mean = 24.5232
- Std.dev = 4.10224
|
Instance 28 : 2015 - Survey carried out at age 69 years.
1,931 participants, 1,931 items
| Maximum | 32 |
| Decile 9 | 30 |
| Decile 8 | 28 |
| Decile 7 | 26 |
| Decile 6 | 24 |
| Median | 23 |
| Decile 4 | 22 |
| Decile 3 | 21 |
| Decile 2 | 20 |
| Decile 1 | 19 |
| Minimum | 16 |
|
|
- There are 17 distinct values.
- Mean = 23.5541
- Std.dev = 4.12625
|
Instance 34 : 2023 - Home visit at 77 years.
938 participants, 938 items
| Maximum | 30 |
| Decile 9 | 28 |
| Decile 8 | 26 |
| Decile 7 | 24 |
| Decile 6 | 23 |
| Median | 21 |
| Decile 4 | 20 |
| Decile 3 | 19 |
| Decile 2 | 18 |
| Decile 1 | 16 |
| Minimum | 14 |
|
|
- There are 17 distinct values.
- Mean = 21.7814
- Std.dev = 4.04693
|
Notes
vsht99 - Visual letter search: Hit targets - at age 53 years, vsht09 - Visual letter search: Hit targets - at age 60-64 years, vshttot15x - Visual letter search: Hit targets - at age 69 years, vsht23x - Visual letter search: Hit targets - at age 77 years
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