Data
1,453 items of data are available, covering 1,363 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 | 80 |
| Decile 9 | 64 |
| Decile 8 | 58 |
| Decile 7 | 52 |
| Decile 6 | 46 |
| Median | 40 |
| Decile 4 | 32 |
| Decile 3 | 21 |
| Decile 2 | 15 |
| Decile 1 | 8 |
| Minimum | 0 |
|
|
- There are 80 distinct values.
- Mean = 37.3439
- Std.dev = 20.7782
- 4 items have value -3 (Prefer not to answer)
- 59 items have value -1 (Do not know)
|
4 Instances
Instance 0 : Initial assessment visit (2006-2010) at which participants were recruited and consent given
842 participants, 842 items
| Maximum | 68 |
| Decile 9 | 60 |
| Decile 8 | 54 |
| Decile 7 | 47 |
| Decile 6 | 42 |
| Median | 35 |
| Decile 4 | 28 |
| Decile 3 | 20 |
| Decile 2 | 14 |
| Decile 1 | 7 |
| Minimum | 0 |
|
|
- There are 69 distinct values.
- Mean = 33.9925
- Std.dev = 19.2378
- 4 items have value -3 (Prefer not to answer)
- 33 items have value -1 (Do not know)
|
Instance 1 : First repeat assessment visit (2012-13)
135 participants, 135 items
| Maximum | 71 |
| Decile 9 | 62 |
| Decile 8 | 55.5 |
| Decile 7 | 52 |
| Decile 6 | 44.5 |
| Median | 36 |
| Decile 4 | 30 |
| Decile 3 | 18 |
| Decile 2 | 12.5 |
| Decile 1 | 7 |
| Minimum | 1 |
|
|
- There are 59 distinct values.
- Mean = 35.5
- Std.dev = 20.595
- 9 items have value -1 (Do not know)
|
Instance 2 : Imaging visit (2014+)
437 participants, 437 items
| Maximum | 80 |
| Decile 9 | 68 |
| Decile 8 | 64 |
| Decile 7 | 60 |
| Decile 6 | 55 |
| Median | 50 |
| Decile 4 | 44 |
| Decile 3 | 32 |
| Decile 2 | 19 |
| Decile 1 | 8 |
| Minimum | 0 |
|
|
- There are 77 distinct values.
- Mean = 43.8558
- Std.dev = 21.8478
- 14 items have value -1 (Do not know)
|
Instance 3 : First repeat imaging visit (2019+)
39 participants, 39 items
| Maximum | 80 |
| Decile 9 | 64 |
| Decile 8 | 60.5 |
| Decile 7 | 57.5 |
| Decile 6 | 55.5 |
| Median | 50 |
| Decile 4 | 44 |
| Decile 3 | 26.5 |
| Decile 2 | 16 |
| Decile 1 | 2.5 |
| Minimum | 1 |
|
|
- There are 25 distinct values.
- Mean = 42.2222
- Std.dev = 22.7109
- 3 items have value -1 (Do not know)
|
Notes
ACE touchscreen question "What was your age when injury or trauma resulting in loss of vision 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 5430 was collected from participants who indicated they have had an injury or trauma resulting in loss of vision, as defined by their answers to Field 6148
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 |
|---|
| 6148 | Eye problems/disorders | Current Field was collected from participants who indicated they have had an injury or trauma resulting in loss of vision, as defined by their answers to Field 6148 |
