Data
139,500 items of data are available, covering 119,866 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 | 84 |
| Decile 9 | 50 |
| Decile 8 | 40 |
| Decile 7 | 32 |
| Decile 6 | 26 |
| Median | 21 |
| Decile 4 | 16 |
| Decile 3 | 14 |
| Decile 2 | 11 |
| Decile 1 | 7 |
| Minimum | 1 |
|
|
- There are 83 distinct values.
- Mean = 25.1989
- Std.dev = 16.3703
- 79 items have value -3 (Prefer not to answer)
- 17420 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
115,089 participants, 115,089 items
| Maximum | 70 |
| Decile 9 | 50 |
| Decile 8 | 40 |
| Decile 7 | 32 |
| Decile 6 | 26 |
| Median | 21 |
| Decile 4 | 16 |
| Decile 3 | 14 |
| Decile 2 | 11 |
| Decile 1 | 8 |
| Minimum | 1 |
|
|
- There are 70 distinct values.
- Mean = 25.2076
- Std.dev = 16.1273
- 72 items have value -3 (Prefer not to answer)
- 14926 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
4,839 participants, 4,839 items
| Maximum | 73 |
| Decile 9 | 53 |
| Decile 8 | 40 |
| Decile 7 | 32 |
| Decile 6 | 25 |
| Median | 20 |
| Decile 4 | 16 |
| Decile 3 | 13 |
| Decile 2 | 11 |
| Decile 1 | 7 |
| Minimum | 1 |
|
|
- There are 73 distinct values.
- Mean = 25.2433
- Std.dev = 17.0079
- 573 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
17,944 participants, 17,944 items
| Maximum | 84 |
| Decile 9 | 54 |
| Decile 8 | 40 |
| Decile 7 | 30 |
| Decile 6 | 25 |
| Median | 20 |
| Decile 4 | 16 |
| Decile 3 | 13 |
| Decile 2 | 10 |
| Decile 1 | 7 |
| Minimum | 1 |
|
|
- There are 83 distinct values.
- Mean = 25.1771
- Std.dev = 17.567
- 7 items have value -3 (Prefer not to answer)
- 1769 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
1,628 participants, 1,628 items
| Maximum | 74 |
| Decile 9 | 52 |
| Decile 8 | 40 |
| Decile 7 | 30 |
| Decile 6 | 25 |
| Median | 19 |
| Decile 4 | 15 |
| Decile 3 | 13 |
| Decile 2 | 10 |
| Decile 1 | 7 |
| Minimum | 1 |
|
|
- There are 72 distinct values.
- Mean = 24.7195
- Std.dev = 17.2267
- 152 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "What was your age when the hayfever, rhinitis or eczema was first diagnosed?"
The following checks were performed:
- If answer < 0 then rejected
- If answer > Participants age then rejected
- If answer < 10 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 3761 was collected from participants who indicated they were told by a doctor that they have had hayfever, allergic rhinitis or eczema, as defined by their answers to Field 6152
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 |
|---|
| 6152 | Blood clot, DVT, bronchitis, emphyse ... | Current Field was collected from participants who indicated they were told by a doctor that they have had hayfever, allergic rhinitis or eczema, as defined by their answers to Field 6152 |
