Data
13,929 items of data are available, covering 12,667 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 | 64 |
| Decile 8 | 61 |
| Decile 7 | 59 |
| Decile 6 | 57 |
| Median | 55 |
| Decile 4 | 52 |
| Decile 3 | 50 |
| Decile 2 | 46 |
| Decile 1 | 42 |
| Minimum | 18 |
|
|
- There are 66 distinct values.
- Mean = 53.6093
- Std.dev = 8.85992
- 19 items have value -3 (Prefer not to answer)
- 368 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
11,540 participants, 11,540 items
| Maximum | 69 |
| Decile 9 | 63 |
| Decile 8 | 60 |
| Decile 7 | 58 |
| Decile 6 | 56 |
| Median | 54 |
| Decile 4 | 51 |
| Decile 3 | 49 |
| Decile 2 | 46 |
| Decile 1 | 41 |
| Minimum | 18 |
|
|
- There are 52 distinct values.
- Mean = 52.7004
- Std.dev = 8.41718
- 17 items have value -3 (Prefer not to answer)
- 330 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
517 participants, 517 items
| Maximum | 73 |
| Decile 9 | 66 |
| Decile 8 | 63 |
| Decile 7 | 61 |
| Decile 6 | 58 |
| Median | 56 |
| Decile 4 | 54 |
| Decile 3 | 51 |
| Decile 2 | 48 |
| Decile 1 | 42 |
| Minimum | 21 |
|
|
- There are 47 distinct values.
- Mean = 55.1572
- Std.dev = 9.0079
- 8 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
1,717 participants, 1,717 items
| Maximum | 83 |
| Decile 9 | 71 |
| Decile 8 | 67 |
| Decile 7 | 64 |
| Decile 6 | 62 |
| Median | 59 |
| Decile 4 | 57 |
| Decile 3 | 54 |
| Decile 2 | 51 |
| Decile 1 | 46 |
| Minimum | 18 |
|
|
- There are 60 distinct values.
- Mean = 58.7289
- Std.dev = 9.64688
- 2 items have value -3 (Prefer not to answer)
- 29 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
155 participants, 155 items
| Maximum | 78 |
| Decile 9 | 69.5 |
| Decile 8 | 66 |
| Decile 7 | 64 |
| Decile 6 | 61 |
| Median | 59 |
| Decile 4 | 56.5 |
| Decile 3 | 54 |
| Decile 2 | 51 |
| Decile 1 | 46 |
| Minimum | 29 |
|
|
- There are 40 distinct values.
- Mean = 58.5
- Std.dev = 9.3505
- 1 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "What was your age when the heart attack 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 3894 was collected from participants who indicated they were told by a doctor that they have had a heart attack, 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 heart attack, as defined by their answers to Field 6150 |
