Data
9,221 items of data are available, covering 8,611 participants.
Some values have special meanings defined by Data-Coding
100291.
Defined-instances run from 0 to 3, labelled using Instancing
2.
Units of measurement are years.
| Maximum | 83 |
| Decile 9 | 66 |
| Decile 8 | 63 |
| Decile 7 | 60 |
| Decile 6 | 59 |
| Median | 56 |
| Decile 4 | 54 |
| Decile 3 | 51 |
| Decile 2 | 47 |
| Decile 1 | 41 |
| Minimum | 18 |
|
|
- There are 66 distinct values.
- Mean = 54.8002
- Std.dev = 9.99644
- 19 items have value -3 (Prefer not to answer)
- 297 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
7,577 participants, 7,577 items
| Maximum | 70 |
| Decile 9 | 64 |
| Decile 8 | 62 |
| Decile 7 | 60 |
| Decile 6 | 58 |
| Median | 55 |
| Decile 4 | 53 |
| Decile 3 | 50 |
| Decile 2 | 46 |
| Decile 1 | 41 |
| Minimum | 18 |
|
|
- There are 53 distinct values.
- Mean = 53.572
- Std.dev = 9.47762
- 16 items have value -3 (Prefer not to answer)
- 253 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
353 participants, 353 items
| Maximum | 73 |
| Decile 9 | 68 |
| Decile 8 | 65 |
| Decile 7 | 63 |
| Decile 6 | 60 |
| Median | 58 |
| Decile 4 | 56 |
| Decile 3 | 52 |
| Decile 2 | 49 |
| Decile 1 | 43 |
| Minimum | 23 |
|
|
- There are 47 distinct values.
- Mean = 56.7139
- Std.dev = 9.77313
- 1 items have value -3 (Prefer not to answer)
- 13 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
1,183 participants, 1,183 items
| Maximum | 83 |
| Decile 9 | 74 |
| Decile 8 | 70 |
| Decile 7 | 68 |
| Decile 6 | 65 |
| Median | 63 |
| Decile 4 | 60 |
| Decile 3 | 57 |
| Decile 2 | 54 |
| Decile 1 | 48 |
| Minimum | 22 |
|
|
- There are 59 distinct values.
- Mean = 61.5217
- Std.dev = 10.3389
- 2 items have value -3 (Prefer not to answer)
- 29 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
108 participants, 108 items
| Maximum | 77 |
| Decile 9 | 72 |
| Decile 8 | 69 |
| Decile 7 | 66 |
| Decile 6 | 64 |
| Median | 62 |
| Decile 4 | 58.5 |
| Decile 3 | 57 |
| Decile 2 | 54 |
| Decile 1 | 47 |
| Minimum | 25 |
|
|
- There are 33 distinct values.
- Mean = 60.3113
- Std.dev = 9.89221
- 2 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "What was your age when the stroke was first diagnosed?"
The following checks were performed:
- If answer < 0 then rejected
- If answer > Participants age then rejected
- If answer < 40 then participant asked to confirm
- If answer > 69 then participant asked to confirm
If the participant activated the Help button they were shown the message:
If you are unsure, please provide an estimate or select Do not know.
|
Field 4056 was collected from participants who indicated they were told by a doctor that they have had a stroke, as defined by their answers to Field 6150
Coding 100291 defines 2 special values:
- -1 represents "Do not know"
- -3 represents "Prefer not to answer"
1 Related Data-Field
| Field ID | Description | Relationship |
|---|
| 6150 | Vascular/heart problems diagnosed by ... | Current Field was collected from participants who indicated they were told by a doctor that they have had a stroke, as defined by their answers to Field 6150 |
