Data
10,602 items of data are available, covering 3,397 participants.
Defined-instances run from 24 to 34, labelled using Instancing
1.
Units of measurement are Not applicable.
Data has not been summarised because combining instances would be misleading.
5 Instances
Instance 24 : 1989 - Survey carried out at age 43 years.
3,024 participants, 3,024 items
| Maximum | 450 |
| Decile 9 | 450 |
| Decile 8 | 437 |
| Decile 7 | 412 |
| Decile 6 | 388 |
| Median | 313 |
| Decile 4 | 313 |
| Decile 3 | 295 |
| Decile 2 | 277 |
| Decile 1 | 270 |
| Minimum | 235 |
|
|
- There are 32 distinct values.
- Mean = 350.46
- Std.dev = 70.4797
|
Instance 25 : 1999 - Survey carried out at age 53 years.
2,735 participants, 2,735 items
| Maximum | 400 |
| Decile 9 | 372 |
| Decile 8 | 329 |
| Decile 7 | 307 |
| Decile 6 | 301 |
| Median | 287 |
| Decile 4 | 239 |
| Decile 3 | 239 |
| Decile 2 | 231 |
| Decile 1 | 174 |
| Minimum | 174 |
|
|
- There are 36 distinct values.
- Mean = 278.493
- Std.dev = 62.4375
|
Instance 26 : 2006-2010 - Survey carried out at age 60 to 64 years.
1,982 participants, 1,982 items
| Maximum | 388 |
| Decile 9 | 329 |
| Decile 8 | 307 |
| Decile 7 | 288 |
| Decile 6 | 287 |
| Median | 239 |
| Decile 4 | 239 |
| Decile 3 | 231 |
| Decile 2 | 222 |
| Decile 1 | 174 |
| Minimum | 174 |
|
|
- There are 18 distinct values.
- Mean = 262.655
- Std.dev = 56.9198
|
Instance 28 : 2015 - Survey carried out at age 69 years.
1,918 participants, 1,918 items
| Maximum | 388 |
| Decile 9 | 329 |
| Decile 8 | 307 |
| Decile 7 | 288 |
| Decile 6 | 283 |
| Median | 239 |
| Decile 4 | 239 |
| Decile 3 | 231 |
| Decile 2 | 217 |
| Decile 1 | 174 |
| Minimum | 166 |
|
|
- There are 17 distinct values.
- Mean = 257.867
- Std.dev = 58.5578
|
Instance 34 : 2023 - Home visit at 77 years.
943 participants, 943 items
| Maximum | 372 |
| Decile 9 | 307 |
| Decile 8 | 288 |
| Decile 7 | 287 |
| Decile 6 | 269 |
| Median | 239 |
| Decile 4 | 231 |
| Decile 3 | 217 |
| Decile 2 | 204 |
| Decile 1 | 174 |
| Minimum | 150 |
|
|
- There are 29 distinct values.
- Mean = 247.604
- Std.dev = 54.0504
|
Notes
cansp189 - Visual letter search: Speed (max 450) - at age 43 years, cansp99 - Visual letter search: Speed (max 600) - at age 53 years, vsp09 - Visual letter search: Speed (max 600) - at age 60-64 years, vsp15x - Visual letter search: Speed (max 600) - at age 69 years, vsp23x - Visual letter search: Speed (max 600) - at age 77 years
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