Data
19,645 items of data are available, covering 17,776 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 | 65 |
| Decile 8 | 62 |
| Decile 7 | 60 |
| Decile 6 | 57 |
| Median | 55 |
| Decile 4 | 53 |
| Decile 3 | 50 |
| Decile 2 | 48 |
| Decile 1 | 43 |
| Minimum | 18 |
|
|
- There are 66 distinct values.
- Mean = 54.4962
- Std.dev = 8.59211
- 34 items have value -3 (Prefer not to answer)
- 1115 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
15,986 participants, 15,986 items
| Maximum | 69 |
| Decile 9 | 63 |
| Decile 8 | 60 |
| Decile 7 | 59 |
| Decile 6 | 56 |
| Median | 55 |
| Decile 4 | 52 |
| Decile 3 | 50 |
| Decile 2 | 47 |
| Decile 1 | 43 |
| Minimum | 18 |
|
|
- There are 52 distinct values.
- Mean = 53.5317
- Std.dev = 7.99335
- 26 items below graph minimum of 23
- 29 items have value -3 (Prefer not to answer)
- 961 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
648 participants, 648 items
| Maximum | 74 |
| Decile 9 | 66 |
| Decile 8 | 64 |
| Decile 7 | 61 |
| Decile 6 | 59 |
| Median | 56 |
| Decile 4 | 54.5 |
| Decile 3 | 52 |
| Decile 2 | 49 |
| Decile 1 | 45 |
| Minimum | 20 |
|
|
- There are 47 distinct values.
- Mean = 55.7929
- Std.dev = 8.62951
- 1 item below graph minimum of 24
- 30 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
2,443 participants, 2,443 items
| Maximum | 83 |
| Decile 9 | 71 |
| Decile 8 | 67.5 |
| Decile 7 | 65 |
| Decile 6 | 62 |
| Median | 60 |
| Decile 4 | 57 |
| Decile 3 | 54 |
| Decile 2 | 50 |
| Decile 1 | 46 |
| Minimum | 18 |
|
|
- There are 60 distinct values.
- Mean = 58.931
- Std.dev = 9.79275
- 4 items have value -3 (Prefer not to answer)
- 106 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
568 participants, 568 items
| Maximum | 82 |
| Decile 9 | 73.5 |
| Decile 8 | 69 |
| Decile 7 | 66 |
| Decile 6 | 64 |
| Median | 61 |
| Decile 4 | 58 |
| Decile 3 | 55 |
| Decile 2 | 52 |
| Decile 1 | 46.5 |
| Minimum | 28 |
|
|
- There are 49 distinct values.
- Mean = 60.5337
- Std.dev = 10.16
- 1 items have value -3 (Prefer not to answer)
- 18 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "What was your age when the angina 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 3627 was collected from participants who indicated they were told by a doctor that they have had an angina, 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 an angina, as defined by their answers to Field 6150 |
